./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.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_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/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_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/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_309332b4-769e-48d5-9107-62f1274c77aa/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 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 --- 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 02:05:56,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:05:56,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:05:56,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:05:56,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:05:56,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:05:56,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:05:56,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:05:56,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:05:56,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:05:56,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:05:56,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:05:56,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:05:56,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:05:56,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:05:56,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:05:56,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:05:56,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:05:56,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:05:56,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:05:56,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:05:56,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:05:56,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:05:56,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:05:56,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:05:56,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:05:56,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:05:56,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:05:56,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:05:56,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:05:56,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:05:56,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:05:56,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:05:56,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:05:56,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:05:56,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:05:56,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:05:56,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:05:56,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:05:56,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:05:56,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:05:56,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:05:56,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:05:56,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:05:56,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:05:56,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:05:56,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:05:56,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:05:56,699 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:05:56,699 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:05:56,699 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:05:56,699 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:05:56,701 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:05:56,701 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:05:56,702 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:05:56,702 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:05:56,702 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:05:56,702 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:05:56,703 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:05:56,703 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:05:56,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:05:56,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:05:56,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:05:56,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:05:56,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:05:56,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:05:56,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:05:56,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:05:56,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:05:56,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:05:56,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:05:56,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:05:56,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:05:56,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:05:56,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:56,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:05:56,709 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:05:56,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:05:56,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:05:56,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:05:56,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:05:56,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:05:56,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:05:56,711 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_309332b4-769e-48d5-9107-62f1274c77aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 [2022-11-03 02:05:56,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:05:57,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:05:57,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:05:57,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:05:57,042 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:05:57,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-11-03 02:05:57,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/data/2e1244f84/4452f6e05bd04bdcb1d02a88dfcf80c9/FLAGd396f1a53 [2022-11-03 02:05:57,584 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:05:57,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-11-03 02:05:57,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/data/2e1244f84/4452f6e05bd04bdcb1d02a88dfcf80c9/FLAGd396f1a53 [2022-11-03 02:05:57,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/data/2e1244f84/4452f6e05bd04bdcb1d02a88dfcf80c9 [2022-11-03 02:05:57,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:05:57,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:05:57,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:57,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:05:57,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:05:57,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:57" (1/1) ... [2022-11-03 02:05:57,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472b4a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:57, skipping insertion in model container [2022-11-03 02:05:57,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:57" (1/1) ... [2022-11-03 02:05:57,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:05:58,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:05:58,211 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_309332b4-769e-48d5-9107-62f1274c77aa/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2022-11-03 02:05:58,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:58,386 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:05:58,407 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_309332b4-769e-48d5-9107-62f1274c77aa/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2022-11-03 02:05:58,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:58,500 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:05:58,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58 WrapperNode [2022-11-03 02:05:58,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:58,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:58,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:05:58,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:05:58,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,551 INFO L138 Inliner]: procedures = 59, calls = 162, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 289 [2022-11-03 02:05:58,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:58,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:05:58,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:05:58,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:05:58,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,590 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:05:58,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:05:58,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:05:58,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:05:58,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (1/1) ... [2022-11-03 02:05:58,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:58,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:58,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:05:58,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:05:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:05:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 02:05:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 02:05:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 02:05:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 02:05:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 02:05:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 02:05:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 02:05:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 02:05:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 02:05:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 02:05:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-03 02:05:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-03 02:05:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 02:05:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 02:05:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 02:05:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 02:05:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:05:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 02:05:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 02:05:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:05:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:05:58,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:05:58,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:05:59,257 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:05:59,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:05:59,401 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:05:59,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:59 BoogieIcfgContainer [2022-11-03 02:05:59,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:05:59,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:05:59,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:05:59,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:05:59,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:05:57" (1/3) ... [2022-11-03 02:05:59,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58162c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:05:59, skipping insertion in model container [2022-11-03 02:05:59,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:58" (2/3) ... [2022-11-03 02:05:59,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58162c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:05:59, skipping insertion in model container [2022-11-03 02:05:59,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:59" (3/3) ... [2022-11-03 02:05:59,414 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2022-11-03 02:05:59,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:05:59,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:05:59,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:05:59,493 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;@76c648d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:05:59,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:05:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-03 02:05:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:05:59,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:59,509 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:59,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:59,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:59,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1377510126, now seen corresponding path program 1 times [2022-11-03 02:05:59,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:59,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881568964] [2022-11-03 02:05:59,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:59,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:05:59,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:59,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881568964] [2022-11-03 02:05:59,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881568964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:59,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:59,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:05:59,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972129585] [2022-11-03 02:05:59,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:59,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:05:59,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:59,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:05:59,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:05:59,804 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:05:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:59,910 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2022-11-03 02:05:59,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:05:59,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-03 02:05:59,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:59,925 INFO L225 Difference]: With dead ends: 136 [2022-11-03 02:05:59,926 INFO L226 Difference]: Without dead ends: 64 [2022-11-03 02:05:59,930 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 02:05:59,933 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:59,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:05:59,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-03 02:05:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-03 02:05:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 48 states have internal predecessors, (52), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:05:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2022-11-03 02:05:59,981 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 21 [2022-11-03 02:05:59,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:59,981 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2022-11-03 02:05:59,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:05:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-03 02:05:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:05:59,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:59,985 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] [2022-11-03 02:05:59,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:05:59,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:59,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1985979574, now seen corresponding path program 1 times [2022-11-03 02:05:59,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:59,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483028219] [2022-11-03 02:05:59,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:06:00,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:00,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483028219] [2022-11-03 02:06:00,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483028219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:00,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:00,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:06:00,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702360761] [2022-11-03 02:06:00,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:00,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:06:00,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:00,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:06:00,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:00,305 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:06:00,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:00,561 INFO L93 Difference]: Finished difference Result 176 states and 252 transitions. [2022-11-03 02:06:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:06:00,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 24 [2022-11-03 02:06:00,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:00,565 INFO L225 Difference]: With dead ends: 176 [2022-11-03 02:06:00,565 INFO L226 Difference]: Without dead ends: 114 [2022-11-03 02:06:00,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:06:00,568 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 51 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:00,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 393 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:06:00,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-03 02:06:00,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2022-11-03 02:06:00,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 78 states have internal predecessors, (88), 24 states have call successors, (24), 17 states have call predecessors, (24), 15 states have return successors, (32), 20 states have call predecessors, (32), 22 states have call successors, (32) [2022-11-03 02:06:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 144 transitions. [2022-11-03 02:06:00,591 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 144 transitions. Word has length 24 [2022-11-03 02:06:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:00,591 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 144 transitions. [2022-11-03 02:06:00,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:06:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 144 transitions. [2022-11-03 02:06:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 02:06:00,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:00,594 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] [2022-11-03 02:06:00,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:06:00,594 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:00,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:00,595 INFO L85 PathProgramCache]: Analyzing trace with hash 998528266, now seen corresponding path program 1 times [2022-11-03 02:06:00,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:00,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242316327] [2022-11-03 02:06:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:06:00,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:00,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242316327] [2022-11-03 02:06:00,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242316327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:00,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:00,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:06:00,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992507776] [2022-11-03 02:06:00,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:00,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:06:00,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:00,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:06:00,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:06:00,696 INFO L87 Difference]: Start difference. First operand 110 states and 144 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:06:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:00,754 INFO L93 Difference]: Finished difference Result 176 states and 226 transitions. [2022-11-03 02:06:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:06:00,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-11-03 02:06:00,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:00,756 INFO L225 Difference]: With dead ends: 176 [2022-11-03 02:06:00,756 INFO L226 Difference]: Without dead ends: 94 [2022-11-03 02:06:00,757 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 02:06:00,759 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:00,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 105 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:06:00,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-03 02:06:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-03 02:06:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 68 states have internal predecessors, (76), 18 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (24), 16 states have call predecessors, (24), 18 states have call successors, (24) [2022-11-03 02:06:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 118 transitions. [2022-11-03 02:06:00,773 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 118 transitions. Word has length 35 [2022-11-03 02:06:00,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:00,773 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 118 transitions. [2022-11-03 02:06:00,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:06:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 118 transitions. [2022-11-03 02:06:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-03 02:06:00,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:00,775 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:00,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:06:00,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:00,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:00,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1279318241, now seen corresponding path program 1 times [2022-11-03 02:06:00,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:00,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525054539] [2022-11-03 02:06:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:00,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:06:01,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:01,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525054539] [2022-11-03 02:06:01,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525054539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:01,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:01,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:06:01,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930984739] [2022-11-03 02:06:01,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:01,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:06:01,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:01,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:06:01,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:01,219 INFO L87 Difference]: Start difference. First operand 94 states and 118 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:06:01,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:01,450 INFO L93 Difference]: Finished difference Result 273 states and 341 transitions. [2022-11-03 02:06:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:06:01,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (5), 2 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 37 [2022-11-03 02:06:01,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:01,455 INFO L225 Difference]: With dead ends: 273 [2022-11-03 02:06:01,455 INFO L226 Difference]: Without dead ends: 181 [2022-11-03 02:06:01,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:06:01,459 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 127 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:01,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 195 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:06:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-03 02:06:01,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2022-11-03 02:06:01,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 125 states have internal predecessors, (138), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (46), 31 states have call predecessors, (46), 34 states have call successors, (46) [2022-11-03 02:06:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 218 transitions. [2022-11-03 02:06:01,501 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 218 transitions. Word has length 37 [2022-11-03 02:06:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:01,501 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 218 transitions. [2022-11-03 02:06:01,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:06:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 218 transitions. [2022-11-03 02:06:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 02:06:01,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:01,504 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:01,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:06:01,505 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:01,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:01,505 INFO L85 PathProgramCache]: Analyzing trace with hash -637786689, now seen corresponding path program 1 times [2022-11-03 02:06:01,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:01,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894074158] [2022-11-03 02:06:01,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:01,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:06:01,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:01,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894074158] [2022-11-03 02:06:01,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894074158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:01,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:01,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:06:01,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657169411] [2022-11-03 02:06:01,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:01,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:06:01,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:01,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:06:01,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:06:01,917 INFO L87 Difference]: Start difference. First operand 177 states and 218 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-03 02:06:02,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:02,492 INFO L93 Difference]: Finished difference Result 413 states and 522 transitions. [2022-11-03 02:06:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:06:02,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2022-11-03 02:06:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:02,499 INFO L225 Difference]: With dead ends: 413 [2022-11-03 02:06:02,499 INFO L226 Difference]: Without dead ends: 291 [2022-11-03 02:06:02,501 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 [2022-11-03 02:06:02,504 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 201 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:02,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 265 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:06:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-11-03 02:06:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 261. [2022-11-03 02:06:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 170 states have (on average 1.2411764705882353) internal successors, (211), 188 states have internal predecessors, (211), 47 states have call successors, (47), 36 states have call predecessors, (47), 43 states have return successors, (66), 48 states have call predecessors, (66), 47 states have call successors, (66) [2022-11-03 02:06:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 324 transitions. [2022-11-03 02:06:02,568 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 324 transitions. Word has length 40 [2022-11-03 02:06:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:02,569 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 324 transitions. [2022-11-03 02:06:02,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-03 02:06:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 324 transitions. [2022-11-03 02:06:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:06:02,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:02,578 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] [2022-11-03 02:06:02,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:06:02,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:02,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:02,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1585403647, now seen corresponding path program 1 times [2022-11-03 02:06:02,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:02,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202406829] [2022-11-03 02:06:02,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:02,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 02:06:02,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:02,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202406829] [2022-11-03 02:06:02,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202406829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:02,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:02,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:02,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450480128] [2022-11-03 02:06:02,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:02,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:02,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:02,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:02,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:02,799 INFO L87 Difference]: Start difference. First operand 261 states and 324 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 02:06:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:02,890 INFO L93 Difference]: Finished difference Result 520 states and 652 transitions. [2022-11-03 02:06:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:06:02,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 57 [2022-11-03 02:06:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:02,895 INFO L225 Difference]: With dead ends: 520 [2022-11-03 02:06:02,896 INFO L226 Difference]: Without dead ends: 261 [2022-11-03 02:06:02,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 02:06:02,903 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 54 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:02,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 107 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:06:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-11-03 02:06:02,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-11-03 02:06:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 170 states have (on average 1.2117647058823529) internal successors, (206), 188 states have internal predecessors, (206), 47 states have call successors, (47), 36 states have call predecessors, (47), 43 states have return successors, (66), 48 states have call predecessors, (66), 47 states have call successors, (66) [2022-11-03 02:06:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 319 transitions. [2022-11-03 02:06:02,962 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 319 transitions. Word has length 57 [2022-11-03 02:06:02,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:02,963 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 319 transitions. [2022-11-03 02:06:02,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 02:06:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 319 transitions. [2022-11-03 02:06:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-03 02:06:02,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:02,970 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, 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] [2022-11-03 02:06:02,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:06:02,970 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:02,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:02,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1087355715, now seen corresponding path program 1 times [2022-11-03 02:06:02,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:02,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127304352] [2022-11-03 02:06:02,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-03 02:06:03,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:03,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127304352] [2022-11-03 02:06:03,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127304352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:03,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:03,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:06:03,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885328769] [2022-11-03 02:06:03,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:03,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:06:03,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:06:03,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:03,091 INFO L87 Difference]: Start difference. First operand 261 states and 319 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-03 02:06:03,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:03,306 INFO L93 Difference]: Finished difference Result 407 states and 499 transitions. [2022-11-03 02:06:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:06:03,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 71 [2022-11-03 02:06:03,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:03,308 INFO L225 Difference]: With dead ends: 407 [2022-11-03 02:06:03,309 INFO L226 Difference]: Without dead ends: 267 [2022-11-03 02:06:03,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:06:03,310 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 121 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:03,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 176 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:06:03,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-11-03 02:06:03,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 265. [2022-11-03 02:06:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 172 states have (on average 1.1744186046511629) internal successors, (202), 189 states have internal predecessors, (202), 46 states have call successors, (46), 38 states have call predecessors, (46), 46 states have return successors, (57), 49 states have call predecessors, (57), 46 states have call successors, (57) [2022-11-03 02:06:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 305 transitions. [2022-11-03 02:06:03,352 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 305 transitions. Word has length 71 [2022-11-03 02:06:03,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:03,355 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 305 transitions. [2022-11-03 02:06:03,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-03 02:06:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 305 transitions. [2022-11-03 02:06:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-03 02:06:03,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:03,358 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:03,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:06:03,358 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:03,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1304573635, now seen corresponding path program 1 times [2022-11-03 02:06:03,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:03,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876042375] [2022-11-03 02:06:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:03,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-03 02:06:03,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:03,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876042375] [2022-11-03 02:06:03,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876042375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:06:03,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698995932] [2022-11-03 02:06:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:03,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:06:03,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:06:03,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:06:03,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:06:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:03,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 02:06:03,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:03,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:06:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:06:04,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698995932] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:06:04,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [211242382] [2022-11-03 02:06:04,139 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-03 02:06:04,139 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:06:04,143 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:06:04,149 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:06:04,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:06:12,874 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 306 for LOIs [2022-11-03 02:06:12,938 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2022-11-03 02:06:13,240 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 64 for LOIs [2022-11-03 02:06:13,800 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 57 for LOIs [2022-11-03 02:06:13,897 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-03 02:06:13,908 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 39 for LOIs [2022-11-03 02:06:13,915 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:06:28,746 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5814#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (<= |old(~pumpRunning~0)| 2147483647) (<= |#NULL.offset| 0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483648)) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483647) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483648)))' at error location [2022-11-03 02:06:28,747 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:06:28,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:06:28,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-03 02:06:28,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905355316] [2022-11-03 02:06:28,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:06:28,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:06:28,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:28,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:06:28,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1763, Unknown=0, NotChecked=0, Total=1980 [2022-11-03 02:06:28,750 INFO L87 Difference]: Start difference. First operand 265 states and 305 transitions. Second operand has 11 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-03 02:06:29,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:29,763 INFO L93 Difference]: Finished difference Result 340 states and 396 transitions. [2022-11-03 02:06:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:06:29,764 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) Word has length 74 [2022-11-03 02:06:29,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:29,766 INFO L225 Difference]: With dead ends: 340 [2022-11-03 02:06:29,766 INFO L226 Difference]: Without dead ends: 338 [2022-11-03 02:06:29,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 171 SyntacticMatches, 15 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1256 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=321, Invalid=3101, Unknown=0, NotChecked=0, Total=3422 [2022-11-03 02:06:29,770 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 155 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:29,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 825 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:06:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-11-03 02:06:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 301. [2022-11-03 02:06:29,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 193 states have (on average 1.16580310880829) internal successors, (225), 215 states have internal predecessors, (225), 54 states have call successors, (54), 46 states have call predecessors, (54), 53 states have return successors, (69), 55 states have call predecessors, (69), 54 states have call successors, (69) [2022-11-03 02:06:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 348 transitions. [2022-11-03 02:06:29,815 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 348 transitions. Word has length 74 [2022-11-03 02:06:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:29,816 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 348 transitions. [2022-11-03 02:06:29,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-03 02:06:29,816 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 348 transitions. [2022-11-03 02:06:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 02:06:29,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:29,819 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:29,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:06:30,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:06:30,045 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:30,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash 167762817, now seen corresponding path program 1 times [2022-11-03 02:06:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:30,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723441330] [2022-11-03 02:06:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:30,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 02:06:30,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:30,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723441330] [2022-11-03 02:06:30,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723441330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:30,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:30,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:06:30,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451127774] [2022-11-03 02:06:30,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:30,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:06:30,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:30,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:06:30,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:30,211 INFO L87 Difference]: Start difference. First operand 301 states and 348 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-03 02:06:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:30,411 INFO L93 Difference]: Finished difference Result 740 states and 866 transitions. [2022-11-03 02:06:30,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:06:30,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 93 [2022-11-03 02:06:30,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:30,415 INFO L225 Difference]: With dead ends: 740 [2022-11-03 02:06:30,416 INFO L226 Difference]: Without dead ends: 551 [2022-11-03 02:06:30,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:06:30,417 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:30,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 221 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:06:30,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-11-03 02:06:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 540. [2022-11-03 02:06:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 349 states have (on average 1.151862464183381) internal successors, (402), 384 states have internal predecessors, (402), 94 states have call successors, (94), 84 states have call predecessors, (94), 96 states have return successors, (118), 99 states have call predecessors, (118), 94 states have call successors, (118) [2022-11-03 02:06:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 614 transitions. [2022-11-03 02:06:30,470 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 614 transitions. Word has length 93 [2022-11-03 02:06:30,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:30,471 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 614 transitions. [2022-11-03 02:06:30,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-03 02:06:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 614 transitions. [2022-11-03 02:06:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-03 02:06:30,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:30,473 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 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] [2022-11-03 02:06:30,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:06:30,474 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:30,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:30,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1773303535, now seen corresponding path program 1 times [2022-11-03 02:06:30,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:30,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94190198] [2022-11-03 02:06:30,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 02:06:31,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:31,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94190198] [2022-11-03 02:06:31,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94190198] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:06:31,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891750735] [2022-11-03 02:06:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:31,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:06:31,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:06:31,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:06:31,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:06:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:31,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:06:31,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:06:31,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:06:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 02:06:31,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891750735] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:06:31,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [322080135] [2022-11-03 02:06:31,793 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-03 02:06:31,793 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:06:31,793 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:06:31,793 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:06:31,794 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:06:39,506 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 310 for LOIs [2022-11-03 02:06:39,595 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 48 for LOIs [2022-11-03 02:06:40,232 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 27 for LOIs [2022-11-03 02:06:40,269 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2022-11-03 02:06:40,291 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 23 for LOIs [2022-11-03 02:06:40,293 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 50 for LOIs [2022-11-03 02:06:40,300 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 34 for LOIs [2022-11-03 02:06:40,303 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:06:54,618 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9479#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (<= ~methaneLevelCritical~0 1) (<= 0 |old(~pumpRunning~0)|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 1) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (= ~head~0.offset 0) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483648)))' at error location [2022-11-03 02:06:54,618 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:06:54,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:06:54,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2022-11-03 02:06:54,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096679269] [2022-11-03 02:06:54,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:06:54,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 02:06:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:54,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 02:06:54,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=3081, Unknown=0, NotChecked=0, Total=3422 [2022-11-03 02:06:54,624 INFO L87 Difference]: Start difference. First operand 540 states and 614 transitions. Second operand has 24 states, 24 states have (on average 4.5) internal successors, (108), 24 states have internal predecessors, (108), 11 states have call successors, (23), 5 states have call predecessors, (23), 9 states have return successors, (26), 12 states have call predecessors, (26), 11 states have call successors, (26) [2022-11-03 02:06:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:57,737 INFO L93 Difference]: Finished difference Result 1514 states and 1960 transitions. [2022-11-03 02:06:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-03 02:06:57,738 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.5) internal successors, (108), 24 states have internal predecessors, (108), 11 states have call successors, (23), 5 states have call predecessors, (23), 9 states have return successors, (26), 12 states have call predecessors, (26), 11 states have call successors, (26) Word has length 96 [2022-11-03 02:06:57,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:57,746 INFO L225 Difference]: With dead ends: 1514 [2022-11-03 02:06:57,746 INFO L226 Difference]: Without dead ends: 964 [2022-11-03 02:06:57,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 254 SyntacticMatches, 5 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3089 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=857, Invalid=7885, Unknown=0, NotChecked=0, Total=8742 [2022-11-03 02:06:57,751 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 497 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:57,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 697 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:06:57,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2022-11-03 02:06:57,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 542. [2022-11-03 02:06:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 351 states have (on average 1.1452991452991452) internal successors, (402), 390 states have internal predecessors, (402), 91 states have call successors, (91), 81 states have call predecessors, (91), 99 states have return successors, (122), 99 states have call predecessors, (122), 91 states have call successors, (122) [2022-11-03 02:06:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 615 transitions. [2022-11-03 02:06:57,875 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 615 transitions. Word has length 96 [2022-11-03 02:06:57,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:57,876 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 615 transitions. [2022-11-03 02:06:57,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.5) internal successors, (108), 24 states have internal predecessors, (108), 11 states have call successors, (23), 5 states have call predecessors, (23), 9 states have return successors, (26), 12 states have call predecessors, (26), 11 states have call successors, (26) [2022-11-03 02:06:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 615 transitions. [2022-11-03 02:06:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 02:06:57,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:57,879 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 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] [2022-11-03 02:06:57,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:58,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:06:58,105 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:58,105 INFO L85 PathProgramCache]: Analyzing trace with hash 333350692, now seen corresponding path program 1 times [2022-11-03 02:06:58,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:58,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196489106] [2022-11-03 02:06:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-03 02:06:59,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:59,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196489106] [2022-11-03 02:06:59,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196489106] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:06:59,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302210619] [2022-11-03 02:06:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:59,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:06:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:06:59,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:06:59,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:06:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:59,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 02:06:59,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 02:06:59,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:07:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-03 02:07:00,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302210619] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:07:00,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1398338582] [2022-11-03 02:07:00,416 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-03 02:07:00,416 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:07:00,418 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:07:00,418 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:07:00,419 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:07:05,570 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 54 for LOIs [2022-11-03 02:07:05,579 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-03 02:07:05,888 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 27 for LOIs [2022-11-03 02:07:05,941 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2022-11-03 02:07:05,962 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 23 for LOIs [2022-11-03 02:07:05,964 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 50 for LOIs [2022-11-03 02:07:05,972 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 34 for LOIs [2022-11-03 02:07:05,975 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:07:13,240 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13435#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (<= ~methaneLevelCritical~0 1) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= |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|) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= ~head~0.base 0) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483648)))' at error location [2022-11-03 02:07:13,240 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:07:13,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:07:13,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 29 [2022-11-03 02:07:13,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297805221] [2022-11-03 02:07:13,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:07:13,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-03 02:07:13,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:13,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-03 02:07:13,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=3637, Unknown=0, NotChecked=0, Total=4032 [2022-11-03 02:07:13,244 INFO L87 Difference]: Start difference. First operand 542 states and 615 transitions. Second operand has 29 states, 28 states have (on average 4.964285714285714) internal successors, (139), 29 states have internal predecessors, (139), 16 states have call successors, (29), 7 states have call predecessors, (29), 12 states have return successors, (31), 17 states have call predecessors, (31), 14 states have call successors, (31) [2022-11-03 02:07:16,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:16,342 INFO L93 Difference]: Finished difference Result 1469 states and 1705 transitions. [2022-11-03 02:07:16,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-03 02:07:16,349 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.964285714285714) internal successors, (139), 29 states have internal predecessors, (139), 16 states have call successors, (29), 7 states have call predecessors, (29), 12 states have return successors, (31), 17 states have call predecessors, (31), 14 states have call successors, (31) Word has length 101 [2022-11-03 02:07:16,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:16,351 INFO L225 Difference]: With dead ends: 1469 [2022-11-03 02:07:16,351 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:07:16,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 268 SyntacticMatches, 8 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4065 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=1145, Invalid=9775, Unknown=0, NotChecked=0, Total=10920 [2022-11-03 02:07:16,357 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1244 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 948 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 948 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:16,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 727 Invalid, 2651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [948 Valid, 1703 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:07:16,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:07:16,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:07:16,359 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 02:07:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:07:16,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2022-11-03 02:07:16,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:16,360 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:07:16,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.964285714285714) internal successors, (139), 29 states have internal predecessors, (139), 16 states have call successors, (29), 7 states have call predecessors, (29), 12 states have return successors, (31), 17 states have call predecessors, (31), 14 states have call successors, (31) [2022-11-03 02:07:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:07:16,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:07:16,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:07:16,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:07:16,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:07:16,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:07:34,748 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 450 457) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 02:07:34,749 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 450 457) no Hoare annotation was computed. [2022-11-03 02:07:34,749 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 357 363) no Hoare annotation was computed. [2022-11-03 02:07:34,749 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 357 363) the Hoare annotation is: true [2022-11-03 02:07:34,749 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 135 146) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (not (<= 1 ~pumpRunning~0))) (.cse10 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not .cse8)) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse12 (not (<= ~waterLevel~0 2))) (.cse9 (not .cse2)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (= 0 ~systemActive~0)) (.cse11 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse7 (not (< ~waterLevel~0 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse6 .cse4 .cse7) (or .cse8 (and (or .cse9 .cse5 .cse6 .cse4 .cse7) (or .cse9 .cse10 .cse4 .cse11 .cse7))) (or .cse1 .cse2 .cse5 .cse3 .cse12 .cse4) (or .cse9 .cse1 .cse8 .cse10 .cse4 .cse7) (or .cse1 .cse2 .cse3 .cse10 .cse4 .cse7) (or .cse0 .cse9 .cse1 .cse8 .cse4) (or .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4 .cse11) (or .cse9 .cse1 .cse8 .cse5 .cse12 .cse4) (or .cse9 .cse1 .cse8 .cse4 .cse11 .cse7)))) [2022-11-03 02:07:34,750 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 135 146) no Hoare annotation was computed. [2022-11-03 02:07:34,750 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-03 02:07:34,750 INFO L895 garLoopResultBuilder]: At program point L436(line 436) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0) .cse8)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse7 (= ~waterLevel~0 1) .cse8)) (or .cse4 .cse5 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse6 .cse1) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse1)))) [2022-11-03 02:07:34,751 INFO L895 garLoopResultBuilder]: At program point L436-1(lines 417 441) the Hoare annotation is: (let ((.cse29 (< 0 |old(~waterLevel~0)|)) (.cse5 (= 0 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0))) (let ((.cse14 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse26 (<= 1 ~pumpRunning~0)) (.cse27 (= 2 ~waterLevel~0)) (.cse25 (= |old(~pumpRunning~0)| 0)) (.cse22 (not .cse3)) (.cse28 (not .cse5)) (.cse12 (= ~pumpRunning~0 0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse29)) (.cse21 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse7 (and .cse12 (or (and (not .cse29) .cse18) .cse17) .cse21 .cse19)) (.cse2 (and .cse26 .cse27 .cse25 .cse22 .cse18 .cse28)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= ~waterLevel~0 1)) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse23 (and .cse12 .cse3 .cse25 .cse18 .cse14 .cse28)) (.cse20 (not (= |old(~waterLevel~0)| 2))) (.cse24 (and .cse26 .cse27 .cse3 .cse25 .cse18 .cse28)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not .cse25)) (.cse4 (and .cse12 .cse18 .cse14)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 (and (or .cse0 .cse3 .cse5 .cse8 .cse6) (or .cse3 .cse9 .cse5 .cse10 .cse11))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse5 (and .cse12 .cse13 .cse14)) (or .cse0 .cse15 .cse7 (and .cse16 (<= ~waterLevel~0 0) (or .cse17 .cse18) .cse14 .cse19) .cse5 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse20 .cse5) (or .cse9 (and .cse12 .cse13 .cse21 .cse19) .cse5 .cse10 (and .cse16 .cse13 .cse14 .cse19) .cse11) (or .cse0 .cse1 .cse22 .cse23 .cse5 .cse6 .cse24) (or .cse1 .cse22 .cse23 .cse20 .cse5 .cse24) (or .cse15 .cse1 .cse4 .cse5 .cse8))))) [2022-11-03 02:07:34,751 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 333 355) no Hoare annotation was computed. [2022-11-03 02:07:34,751 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse23 (<= ~waterLevel~0 1)) (.cse25 (= |old(~pumpRunning~0)| 0)) (.cse21 (not .cse1)) (.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse24 (not .cse3)) (.cse18 (= ~pumpRunning~0 0)) (.cse7 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse22 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (< 0 |old(~waterLevel~0)|)) (.cse19 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse14 (and .cse18 .cse7 (or (and (not .cse9) .cse22) (and .cse8 .cse9)) .cse19 .cse11)) (.cse15 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (not (= |old(~waterLevel~0)| 2))) (.cse2 (and .cse18 .cse7 .cse23 .cse25 .cse21 .cse22 .cse10 .cse24)) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse17 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not .cse25)) (.cse20 (and .cse18 .cse7 .cse1 .cse23 .cse22 .cse10 .cse24)) (.cse5 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13 .cse14 .cse3 .cse4) (or (and (or .cse12 .cse1 .cse3 .cse4 .cse5) (or .cse1 .cse15 .cse3 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)))) .cse14) (or .cse0 .cse16 .cse3) (or (and .cse6 .cse7 .cse17 .cse10 .cse11) .cse15 .cse16 .cse3 (and .cse18 .cse7 .cse17 .cse19 .cse11)) (or .cse12 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse20 .cse21 .cse3 .cse4 .cse5) (or .cse0 .cse13 .cse3 (and .cse18 .cse7 .cse17 .cse10)) (or .cse12 (and .cse18 .cse7 .cse22 .cse19 .cse11) (and .cse6 .cse7 .cse22 .cse10 .cse11) .cse3 (not (<= |old(~waterLevel~0)| 0)) .cse4) (or .cse12 .cse0 .cse20 .cse21 .cse3 .cse5))))) [2022-11-03 02:07:34,752 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-03 02:07:34,752 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 433) no Hoare annotation was computed. [2022-11-03 02:07:34,752 INFO L895 garLoopResultBuilder]: At program point L421(lines 421 438) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse11 (< 0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse12 (or .cse13 (and (not .cse11) .cse2) (and .cse10 .cse11))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse13 .cse2 .cse3)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (not (<= |old(~waterLevel~0)| 0)) .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= |old(~waterLevel~0)| 2)) (and .cse1 .cse6 .cse3) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse7 .cse8 .cse4 (not (< |old(~waterLevel~0)| 3))) (or .cse0 .cse9 (and .cse1 .cse10 .cse11 .cse3) .cse4 .cse5) (or .cse7 (and .cse2 .cse3 .cse12) (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse7 .cse9 .cse4 (and .cse6 .cse3 .cse12)) (or (not (<= |old(~waterLevel~0)| 1)) .cse7 .cse8 .cse4 .cse5)))) [2022-11-03 02:07:34,753 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse5 (and .cse0 .cse1 .cse9)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse5 .cse2 .cse6) (or .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse2 .cse7) (or .cse3 (not (= ~methaneLevelCritical~0 0)) .cse8 .cse2 .cse9 .cse7) (or .cse4 (and .cse10 .cse1 (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse7 .cse6) (or .cse4 (and .cse10 .cse1) .cse8 .cse2) (or .cse4 (not (= |old(~waterLevel~0)| 1)) (and .cse10 (= ~waterLevel~0 1)) .cse2)))) [2022-11-03 02:07:34,753 INFO L895 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__2_#t~ret4#1| ~pumpRunning~0)) (.cse1 (= 0 ~systemActive~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~waterLevel~0 1)) (.cse9 (= ~methaneLevelCritical~0 0))) (let ((.cse11 (not .cse9)) (.cse14 (let ((.cse17 (or .cse13 .cse3)) (.cse18 (not .cse1))) (or (and .cse16 .cse2 .cse17 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse18) (and .cse16 .cse2 .cse17 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse18)))) (.cse15 (< ~waterLevel~0 3))) (let ((.cse5 (and .cse16 .cse13 .cse4)) (.cse10 (and .cse11 .cse13 .cse14 .cse15)) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (< |old(~waterLevel~0)| 3))) (.cse12 (and .cse9 .cse13 .cse14 .cse15))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse4)) (or .cse5 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse5 .cse1 .cse7 .cse8) (or .cse0 .cse9 .cse1 .cse7 .cse8 .cse10) (or .cse6 .cse0 .cse9 .cse1 .cse8 .cse10) (or .cse6 .cse0 .cse11 .cse1 .cse8 .cse12) (or .cse0 .cse11 .cse1 .cse7 .cse8 .cse12))))) [2022-11-03 02:07:34,753 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse4 .cse5 .cse1) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse5 .cse1))) [2022-11-03 02:07:34,754 INFO L895 garLoopResultBuilder]: At program point L344-1(lines 344 350) the Hoare annotation is: (let ((.cse29 (< 0 |old(~waterLevel~0)|)) (.cse5 (= 0 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0))) (let ((.cse14 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse26 (<= 1 ~pumpRunning~0)) (.cse27 (= 2 ~waterLevel~0)) (.cse25 (= |old(~pumpRunning~0)| 0)) (.cse22 (not .cse3)) (.cse28 (not .cse5)) (.cse12 (= ~pumpRunning~0 0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse29)) (.cse21 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse7 (and .cse12 (or (and (not .cse29) .cse18) .cse17) .cse21 .cse19)) (.cse2 (and .cse26 .cse27 .cse25 .cse22 .cse18 .cse28)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= ~waterLevel~0 1)) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse23 (and .cse12 .cse3 .cse25 .cse18 .cse14 .cse28)) (.cse20 (not (= |old(~waterLevel~0)| 2))) (.cse24 (and .cse26 .cse27 .cse3 .cse25 .cse18 .cse28)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not .cse25)) (.cse4 (and .cse12 .cse18 .cse14)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 (and (or .cse0 .cse3 .cse5 .cse8 .cse6) (or .cse3 .cse9 .cse5 .cse10 .cse11))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse5 (and .cse12 .cse13 .cse14)) (or .cse0 .cse15 .cse7 (and .cse16 (<= ~waterLevel~0 0) (or .cse17 .cse18) .cse14 .cse19) .cse5 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse20 .cse5) (or .cse9 (and .cse12 .cse13 .cse21 .cse19) .cse5 .cse10 (and .cse16 .cse13 .cse14 .cse19) .cse11) (or .cse0 .cse1 .cse22 .cse23 .cse5 .cse6 .cse24) (or .cse1 .cse22 .cse23 .cse20 .cse5 .cse24) (or .cse15 .cse1 .cse4 .cse5 .cse8))))) [2022-11-03 02:07:34,754 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-11-03 02:07:34,754 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-11-03 02:07:34,754 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 330 356) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse5 (and .cse0 .cse1 .cse9)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse5 .cse2 .cse6) (or .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse2 .cse7) (or .cse3 (not (= ~methaneLevelCritical~0 0)) .cse8 .cse2 .cse9 .cse7) (or .cse4 (and .cse10 .cse1 (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse7 .cse6) (or .cse4 (and .cse10 .cse1) .cse8 .cse2) (or .cse4 (not (= |old(~waterLevel~0)| 1)) (and .cse10 (= ~waterLevel~0 1)) .cse2)))) [2022-11-03 02:07:34,755 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (< |old(~waterLevel~0)| 3))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse5 .cse6 .cse8) (or .cse0 .cse7 .cse5 .cse8) (or .cse9 .cse5 .cse10 (and .cse1 (= ~waterLevel~0 1) .cse3 .cse4) .cse11) (or .cse7 (not (= |old(~waterLevel~0)| 2)) .cse5) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse5) (or .cse2 .cse9 .cse5 .cse10 .cse11))) [2022-11-03 02:07:34,755 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse15 (not .cse17)) (.cse24 (<= 1 ~pumpRunning~0)) (.cse30 (= |old(~pumpRunning~0)| 0)) (.cse28 (= 2 ~waterLevel~0)) (.cse29 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse31 (not .cse9)) (.cse22 (= ~pumpRunning~0 0)) (.cse1 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse25 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (< 0 |old(~waterLevel~0)|)) (.cse27 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse8 (and .cse22 .cse1 (or (and (not .cse3) .cse25) (and .cse2 .cse3)) .cse27 .cse5)) (.cse12 (and .cse22 .cse1 .cse17 .cse29 .cse25 .cse4 .cse31)) (.cse13 (and .cse22 .cse1 .cse28 .cse17 .cse25 .cse4 .cse31)) (.cse14 (and .cse24 .cse1 .cse28 .cse17 .cse30 .cse25 .cse31)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse11 (not .cse30)) (.cse21 (and .cse22 .cse1 .cse29 .cse30 .cse15 .cse25 .cse4 .cse31)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse16 (not (< |old(~waterLevel~0)| 3))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (not (<= 1 |old(~pumpRunning~0)|))) (.cse19 (not (<= |old(~waterLevel~0)| 2))) (.cse23 (= ~waterLevel~0 1)) (.cse20 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse6 .cse11 .cse12 .cse13 .cse14 .cse15 .cse9 .cse16) (or (and (or .cse6 .cse17 .cse9 .cse10 .cse16) (or .cse17 .cse18 .cse9 .cse19 .cse20)) .cse8) (or .cse11 .cse12 .cse13 .cse14 .cse15 .cse9 .cse10 .cse16) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse11 .cse17 .cse21 .cse9) (or .cse11 .cse7 .cse9 (and .cse22 .cse1 .cse23 .cse4)) (let ((.cse26 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or .cse11 (and .cse24 .cse25 .cse26) (and .cse22 .cse25 .cse4 .cse26) (not (= |old(~waterLevel~0)| 2)) .cse9)) (or .cse6 (and .cse22 .cse1 .cse25 .cse27 .cse5) (and .cse0 .cse1 .cse25 .cse4 .cse5) .cse9 (not (<= |old(~waterLevel~0)| 0)) .cse10) (or .cse11 (and .cse28 .cse25) .cse17 .cse21 .cse9 .cse10 .cse16) (or (and .cse0 .cse1 .cse23 .cse4 .cse5) .cse18 .cse9 .cse19 (and .cse22 .cse1 .cse23 .cse27 .cse5) .cse20))))) [2022-11-03 02:07:34,756 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (and (or .cse4 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) (let ((.cse5 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse5) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse5))) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2022-11-03 02:07:34,756 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 330 356) no Hoare annotation was computed. [2022-11-03 02:07:34,756 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2022-11-03 02:07:34,756 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 223 252) no Hoare annotation was computed. [2022-11-03 02:07:34,756 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 223 252) the Hoare annotation is: true [2022-11-03 02:07:34,757 INFO L902 garLoopResultBuilder]: At program point L248(lines 223 252) the Hoare annotation is: true [2022-11-03 02:07:34,757 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2022-11-03 02:07:34,757 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2022-11-03 02:07:34,757 INFO L902 garLoopResultBuilder]: At program point L237-1(lines 237 241) the Hoare annotation is: true [2022-11-03 02:07:34,757 INFO L902 garLoopResultBuilder]: At program point L233-2(lines 233 247) the Hoare annotation is: true [2022-11-03 02:07:34,757 INFO L902 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: true [2022-11-03 02:07:34,758 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2022-11-03 02:07:34,758 INFO L895 garLoopResultBuilder]: At program point L609-2(lines 601 614) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~waterLevel~0 1) .cse4) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse0 .cse4) (and .cse5 (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse4))) [2022-11-03 02:07:34,758 INFO L899 garLoopResultBuilder]: For program point L572(lines 571 618) no Hoare annotation was computed. [2022-11-03 02:07:34,758 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~waterLevel~0 1) .cse4) (and (<= 1 ~pumpRunning~0) .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse1 (<= ~waterLevel~0 2) .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse2 .cse3 .cse4))) [2022-11-03 02:07:34,758 INFO L902 garLoopResultBuilder]: At program point L622(lines 561 626) the Hoare annotation is: true [2022-11-03 02:07:34,759 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 587) no Hoare annotation was computed. [2022-11-03 02:07:34,759 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2022-11-03 02:07:34,759 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:07:34,759 INFO L895 garLoopResultBuilder]: At program point L619(lines 570 620) the Hoare annotation is: false [2022-11-03 02:07:34,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:07:34,759 INFO L895 garLoopResultBuilder]: At program point L310(lines 310 317) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2022-11-03 02:07:34,760 INFO L902 garLoopResultBuilder]: At program point L310-2(lines 310 317) the Hoare annotation is: true [2022-11-03 02:07:34,760 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 597) no Hoare annotation was computed. [2022-11-03 02:07:34,760 INFO L895 garLoopResultBuilder]: At program point L591-1(lines 591 597) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~waterLevel~0 1) .cse4) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse0 .cse4) (and .cse5 (<= 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 2) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse4))) [2022-11-03 02:07:34,760 INFO L895 garLoopResultBuilder]: At program point L616(lines 571 618) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~waterLevel~0 1) .cse4) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse5 .cse4) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse1 .cse4) (and (= ~methaneLevelCritical~0 0) .cse1 .cse5 .cse2 .cse3 .cse4))) [2022-11-03 02:07:34,760 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= ~waterLevel~0 2))) .cse4) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse1 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and (= ~methaneLevelCritical~0 0) .cse1 .cse5 .cse2 .cse3 .cse4))) [2022-11-03 02:07:34,761 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 365 389) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2022-11-03 02:07:34,761 INFO L895 garLoopResultBuilder]: At program point L384(line 384) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse4 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse4 .cse1))) [2022-11-03 02:07:34,761 INFO L899 garLoopResultBuilder]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2022-11-03 02:07:34,761 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 365 389) no Hoare annotation was computed. [2022-11-03 02:07:34,761 INFO L895 garLoopResultBuilder]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) (.cse1 (= 0 ~systemActive~0)) (.cse6 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or (and (or .cse4 (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse1 .cse6 .cse3) (or .cse5 .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 1) .cse1 .cse6 .cse3))) [2022-11-03 02:07:34,762 INFO L895 garLoopResultBuilder]: At program point L373(lines 373 381) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) (.cse1 (= 0 ~systemActive~0)) (.cse6 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or (and (or .cse4 (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse1 .cse6 .cse3) (or .cse5 .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 1) .cse1 .cse6 .cse3))) [2022-11-03 02:07:34,762 INFO L895 garLoopResultBuilder]: At program point L369(lines 369 386) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2022-11-03 02:07:34,762 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 123 134) no Hoare annotation was computed. [2022-11-03 02:07:34,762 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 123 134) the Hoare annotation is: (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse7 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)))) .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse2 .cse3 .cse6 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse5 .cse2 .cse3 .cse7 .cse6) (or .cse4 .cse0 .cse2 .cse3 .cse7))) [2022-11-03 02:07:34,763 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 391 415) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2022-11-03 02:07:34,763 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse4 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse4 .cse1))) [2022-11-03 02:07:34,763 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse4 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse4 .cse1))) [2022-11-03 02:07:34,763 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 407) no Hoare annotation was computed. [2022-11-03 02:07:34,764 INFO L895 garLoopResultBuilder]: At program point L395(lines 395 412) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2022-11-03 02:07:34,764 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 391 415) no Hoare annotation was computed. [2022-11-03 02:07:34,764 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse1))) [2022-11-03 02:07:34,764 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2022-11-03 02:07:34,764 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 469 477) no Hoare annotation was computed. [2022-11-03 02:07:34,764 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 469 477) the Hoare annotation is: true [2022-11-03 02:07:34,768 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:07:34,770 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:07:34,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:07:34 BoogieIcfgContainer [2022-11-03 02:07:34,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:07:34,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:07:34,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:07:34,838 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:07:34,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:59" (3/4) ... [2022-11-03 02:07:34,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:07:34,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 02:07:34,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 02:07:34,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 02:07:34,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 02:07:34,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 02:07:34,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 02:07:34,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 02:07:34,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-03 02:07:34,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 02:07:34,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2022-11-03 02:07:34,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-03 02:07:34,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 02:07:34,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:07:34,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:07:34,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:07:34,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:07:34,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && aux-isPumpRunning()-aux == pumpRunning)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && 2 <= waterLevel) && waterLevel <= 2) && aux-isPumpRunning()-aux == pumpRunning))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) || (((!(methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((!(methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((methaneLevelCritical == 0 && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) || (((methaneLevelCritical == 0 && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3)) [2022-11-03 02:07:34,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 02:07:34,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || ((((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((((((pumpRunning == 0 && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == 0 && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) || ((((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical))) && (((((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == 0 && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == 0 && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || (((((((pumpRunning == 0 && tmp == waterLevel) && waterLevel <= 1) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && tmp == 2)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == 2)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (2 == waterLevel && \old(waterLevel) == waterLevel)) || methaneLevelCritical == 0) || (((((((pumpRunning == 0 && tmp == waterLevel) && waterLevel <= 1) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((((((((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-11-03 02:07:34,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && ((pumpRunning == 0 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && ((pumpRunning == 0 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 02:07:34,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive)) && ((!(1 <= \old(pumpRunning)) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-11-03 02:07:34,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 02:07:34,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 02:07:34,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 02:07:34,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((((tmp == 0 || 2 <= waterLevel) && pumpRunning == switchedOnBeforeTS) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(\old(pumpRunning) == 0) || tmp == 0) || tmp == 1) || 0 == systemActive) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 02:07:34,964 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:07:34,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:07:34,965 INFO L158 Benchmark]: Toolchain (without parser) took 97038.93ms. Allocated memory was 119.5MB in the beginning and 564.1MB in the end (delta: 444.6MB). Free memory was 81.5MB in the beginning and 356.9MB in the end (delta: -275.4MB). Peak memory consumption was 168.3MB. Max. memory is 16.1GB. [2022-11-03 02:07:34,966 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:07:34,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.61ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 85.0MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:07:34,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.47ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:07:34,967 INFO L158 Benchmark]: Boogie Preprocessor took 42.57ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 80.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:07:34,967 INFO L158 Benchmark]: RCFGBuilder took 808.19ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 93.1MB in the end (delta: -12.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-11-03 02:07:34,968 INFO L158 Benchmark]: TraceAbstraction took 95431.19ms. Allocated memory was 119.5MB in the beginning and 564.1MB in the end (delta: 444.6MB). Free memory was 92.4MB in the beginning and 363.2MB in the end (delta: -270.9MB). Peak memory consumption was 349.8MB. Max. memory is 16.1GB. [2022-11-03 02:07:34,968 INFO L158 Benchmark]: Witness Printer took 127.39ms. Allocated memory is still 564.1MB. Free memory was 363.2MB in the beginning and 356.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:07:34,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.61ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 85.0MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.47ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.57ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 80.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 808.19ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 93.1MB in the end (delta: -12.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * TraceAbstraction took 95431.19ms. Allocated memory was 119.5MB in the beginning and 564.1MB in the end (delta: 444.6MB). Free memory was 92.4MB in the beginning and 363.2MB in the end (delta: -270.9MB). Peak memory consumption was 349.8MB. Max. memory is 16.1GB. * Witness Printer took 127.39ms. Allocated memory is still 564.1MB. Free memory was 363.2MB in the beginning and 356.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 216]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 95.3s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2610 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2582 mSDsluCounter, 3782 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3486 mSDsCounter, 1622 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5247 IncrementalHoareTripleChecker+Invalid, 6869 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1622 mSolverCounterUnsat, 1032 mSDtfsCounter, 5247 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1043 GetRequests, 723 SyntacticMatches, 28 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8449 ImplicationChecksByTransitivity, 40.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=542occurred in iteration=10, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 510 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1973 PreInvPairs, 2337 NumberOfFragments, 4937 HoareAnnotationTreeSize, 1973 FomulaSimplifications, 16382 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 42 FomulaSimplificationsInter, 66880 FormulaSimplificationTreeSizeReductionInter, 16.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 920 NumberOfCodeBlocks, 920 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1174 ConstructedInterpolants, 0 QuantifiedInterpolants, 3132 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1596 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 594/670 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: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || (((((methaneLevelCritical == 0 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((((((((((((((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || ((((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((((((pumpRunning == 0 && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == 0 && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) || ((((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical))) && (((((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == 0 && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == 0 && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && tmp == waterLevel) && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || (((((((pumpRunning == 0 && tmp == waterLevel) && waterLevel <= 1) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && tmp == 2)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == 2)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (2 == waterLevel && \old(waterLevel) == waterLevel)) || methaneLevelCritical == 0) || (((((((pumpRunning == 0 && tmp == waterLevel) && waterLevel <= 1) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((((((((pumpRunning == \old(pumpRunning) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && aux-isPumpRunning()-aux == pumpRunning)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && 2 <= waterLevel) && waterLevel <= 2) && aux-isPumpRunning()-aux == pumpRunning))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) || (((!(methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((!(methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((methaneLevelCritical == 0 && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) || (((methaneLevelCritical == 0 && \old(waterLevel) == waterLevel) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)))) && waterLevel < 3)) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((((tmp == 0 || 2 <= waterLevel) && pumpRunning == switchedOnBeforeTS) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(\old(pumpRunning) == 0) || tmp == 0) || tmp == 1) || 0 == systemActive) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || (((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && !(0 == systemActive)) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((pumpRunning == 0 && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && ((pumpRunning == 0 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && ((pumpRunning == 0 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive)) && ((!(1 <= \old(pumpRunning)) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:07:35,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_309332b4-769e-48d5-9107-62f1274c77aa/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