./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW --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 b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 --- 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-4e7fbc6 [2022-11-23 15:54:08,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:54:08,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:54:08,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:54:08,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:54:08,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:54:08,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:54:08,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:54:08,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:54:08,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:54:08,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:54:08,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:54:08,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:54:08,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:54:08,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:54:08,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:54:08,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:54:08,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:54:08,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:54:08,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:54:08,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:54:08,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:54:08,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:54:08,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:54:08,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:54:08,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:54:08,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:54:08,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:54:08,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:54:08,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:54:08,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:54:08,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:54:08,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:54:08,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:54:08,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:54:08,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:54:08,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:54:08,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:54:08,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:54:08,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:54:08,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:54:08,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:54:08,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:54:08,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:54:08,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:54:08,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:54:08,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:54:08,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:54:08,660 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:54:08,660 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:54:08,661 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:54:08,661 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:54:08,662 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:54:08,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:54:08,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:54:08,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:54:08,663 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:54:08,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:54:08,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:54:08,664 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:54:08,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:54:08,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:54:08,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:54:08,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:54:08,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:54:08,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:54:08,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:54:08,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:54:08,668 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:54:08,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:54:08,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:54:08,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:54:08,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:54:08,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:54:08,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:54:08,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:54:08,670 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:54:08,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:54:08,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:54:08,671 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:54:08,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:54:08,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:54:08,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:54:08,672 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_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 [2022-11-23 15:54:08,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:54:08,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:54:08,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:54:08,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:54:09,000 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:54:09,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2022-11-23 15:54:12,340 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:54:12,708 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:54:12,708 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2022-11-23 15:54:12,744 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/data/ef72ba40d/79281256448e4bd7968298f275ea63e7/FLAG68458b256 [2022-11-23 15:54:12,766 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/data/ef72ba40d/79281256448e4bd7968298f275ea63e7 [2022-11-23 15:54:12,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:54:12,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:54:12,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:12,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:54:12,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:54:12,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:12" (1/1) ... [2022-11-23 15:54:12,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446d24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:12, skipping insertion in model container [2022-11-23 15:54:12,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:12" (1/1) ... [2022-11-23 15:54:12,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:54:12,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:54:13,192 WARN L237 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_c3ee5983-0ebc-48a9-9f71-b11061164ceb/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c[18075,18088] [2022-11-23 15:54:13,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:13,239 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:54:13,347 WARN L237 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_c3ee5983-0ebc-48a9-9f71-b11061164ceb/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c[18075,18088] [2022-11-23 15:54:13,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:13,383 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:54:13,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13 WrapperNode [2022-11-23 15:54:13,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:13,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:13,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:54:13,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:54:13,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,454 INFO L138 Inliner]: procedures = 60, calls = 106, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 235 [2022-11-23 15:54:13,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:13,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:54:13,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:54:13,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:54:13,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:54:13,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:54:13,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:54:13,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:54:13,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2022-11-23 15:54:13,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:54:13,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:54:13,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:54:13,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:54:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:54:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 15:54:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 15:54:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 15:54:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 15:54:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 15:54:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 15:54:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 15:54:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 15:54:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 15:54:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 15:54:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-23 15:54:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-23 15:54:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-23 15:54:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-23 15:54:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:54:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 15:54:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 15:54:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:54:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:54:13,739 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:54:13,741 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:54:14,186 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:54:14,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:54:14,381 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:54:14,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:14 BoogieIcfgContainer [2022-11-23 15:54:14,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:54:14,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:54:14,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:54:14,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:54:14,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:12" (1/3) ... [2022-11-23 15:54:14,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d537ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:14, skipping insertion in model container [2022-11-23 15:54:14,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (2/3) ... [2022-11-23 15:54:14,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d537ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:14, skipping insertion in model container [2022-11-23 15:54:14,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:14" (3/3) ... [2022-11-23 15:54:14,417 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2022-11-23 15:54:14,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:54:14,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:54:14,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:54:14,510 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;@74a56256, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:54:14,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:54:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 15:54:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 15:54:14,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:14,528 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] [2022-11-23 15:54:14,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:14,535 INFO L85 PathProgramCache]: Analyzing trace with hash -420238116, now seen corresponding path program 1 times [2022-11-23 15:54:14,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:14,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317694742] [2022-11-23 15:54:14,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:14,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:54:14,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:14,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317694742] [2022-11-23 15:54:14,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317694742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:14,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:14,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:54:14,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389571504] [2022-11-23 15:54:14,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:14,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:54:14,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:14,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:54:14,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:54:14,885 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:54:14,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:14,986 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2022-11-23 15:54:14,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:54:14,989 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 [2022-11-23 15:54:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:14,999 INFO L225 Difference]: With dead ends: 130 [2022-11-23 15:54:15,000 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 15:54:15,004 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 [2022-11-23 15:54:15,008 INFO L413 NwaCegarLoop]: 68 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, 68 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 [2022-11-23 15:54:15,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:54:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 15:54:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 15:54:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 15:54:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2022-11-23 15:54:15,068 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 21 [2022-11-23 15:54:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:15,069 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2022-11-23 15:54:15,069 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) [2022-11-23 15:54:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-23 15:54:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:54:15,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:15,073 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:15,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:54:15,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:15,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:15,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1532168176, now seen corresponding path program 1 times [2022-11-23 15:54:15,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:15,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573927472] [2022-11-23 15:54:15,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:15,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:54:15,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:15,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573927472] [2022-11-23 15:54:15,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573927472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:15,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:15,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:54:15,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344290234] [2022-11-23 15:54:15,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:15,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:54:15,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:15,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:54:15,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:54:15,284 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:54:15,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:15,383 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2022-11-23 15:54:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:54:15,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-23 15:54:15,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:15,386 INFO L225 Difference]: With dead ends: 94 [2022-11-23 15:54:15,386 INFO L226 Difference]: Without dead ends: 53 [2022-11-23 15:54:15,386 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 [2022-11-23 15:54:15,388 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:15,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 92 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:54:15,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-23 15:54:15,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-23 15:54:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:54:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-23 15:54:15,414 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 22 [2022-11-23 15:54:15,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:15,415 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-23 15:54:15,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:54:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-23 15:54:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 15:54:15,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:15,417 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:15,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:54:15,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:15,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:15,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1247703669, now seen corresponding path program 1 times [2022-11-23 15:54:15,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:15,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180574896] [2022-11-23 15:54:15,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:15,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:54:15,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:15,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180574896] [2022-11-23 15:54:15,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180574896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:15,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:15,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:54:15,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948311195] [2022-11-23 15:54:15,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:15,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:54:15,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:15,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:54:15,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:54:15,636 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:54:15,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:15,819 INFO L93 Difference]: Finished difference Result 140 states and 183 transitions. [2022-11-23 15:54:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:54:15,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-23 15:54:15,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:15,823 INFO L225 Difference]: With dead ends: 140 [2022-11-23 15:54:15,823 INFO L226 Difference]: Without dead ends: 89 [2022-11-23 15:54:15,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:54:15,826 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:15,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 146 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:54:15,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-23 15:54:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2022-11-23 15:54:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2022-11-23 15:54:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 112 transitions. [2022-11-23 15:54:15,849 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 112 transitions. Word has length 25 [2022-11-23 15:54:15,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:15,850 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 112 transitions. [2022-11-23 15:54:15,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:54:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 112 transitions. [2022-11-23 15:54:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 15:54:15,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:15,853 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:15,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:54:15,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:15,854 INFO L85 PathProgramCache]: Analyzing trace with hash -355442781, now seen corresponding path program 1 times [2022-11-23 15:54:15,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:15,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320717612] [2022-11-23 15:54:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:15,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:54:16,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:16,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320717612] [2022-11-23 15:54:16,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320717612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:16,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:16,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:54:16,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258262257] [2022-11-23 15:54:16,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:16,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:54:16,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:16,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:54:16,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:54:16,171 INFO L87 Difference]: Start difference. First operand 86 states and 112 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:54:16,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:16,439 INFO L93 Difference]: Finished difference Result 209 states and 282 transitions. [2022-11-23 15:54:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:54:16,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-23 15:54:16,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:16,448 INFO L225 Difference]: With dead ends: 209 [2022-11-23 15:54:16,449 INFO L226 Difference]: Without dead ends: 125 [2022-11-23 15:54:16,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:54:16,457 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 35 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:16,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 278 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:54:16,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-11-23 15:54:16,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 118. [2022-11-23 15:54:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 89 states have internal predecessors, (102), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-23 15:54:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 150 transitions. [2022-11-23 15:54:16,486 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 150 transitions. Word has length 28 [2022-11-23 15:54:16,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:16,486 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 150 transitions. [2022-11-23 15:54:16,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:54:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2022-11-23 15:54:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 15:54:16,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:16,489 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:16,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:54:16,489 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:16,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1651985796, now seen corresponding path program 1 times [2022-11-23 15:54:16,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:16,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922683808] [2022-11-23 15:54:16,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:16,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:54:16,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:16,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922683808] [2022-11-23 15:54:16,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922683808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:16,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:16,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:54:16,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758015119] [2022-11-23 15:54:16,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:16,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:54:16,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:16,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:54:16,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:54:16,583 INFO L87 Difference]: Start difference. First operand 118 states and 150 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 15:54:16,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:16,680 INFO L93 Difference]: Finished difference Result 236 states and 300 transitions. [2022-11-23 15:54:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:54:16,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-11-23 15:54:16,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:16,691 INFO L225 Difference]: With dead ends: 236 [2022-11-23 15:54:16,691 INFO L226 Difference]: Without dead ends: 120 [2022-11-23 15:54:16,693 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 [2022-11-23 15:54:16,699 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 30 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:16,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 128 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:54:16,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-23 15:54:16,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2022-11-23 15:54:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 89 states have internal predecessors, (101), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (25), 20 states have call predecessors, (25), 21 states have call successors, (25) [2022-11-23 15:54:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 147 transitions. [2022-11-23 15:54:16,730 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 147 transitions. Word has length 36 [2022-11-23 15:54:16,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:16,731 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 147 transitions. [2022-11-23 15:54:16,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 15:54:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2022-11-23 15:54:16,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 15:54:16,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:16,733 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:16,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:54:16,734 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:16,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:16,735 INFO L85 PathProgramCache]: Analyzing trace with hash 835720044, now seen corresponding path program 1 times [2022-11-23 15:54:16,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:16,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432027697] [2022-11-23 15:54:16,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:16,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:54:17,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:17,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432027697] [2022-11-23 15:54:17,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432027697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:17,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:17,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:54:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257141127] [2022-11-23 15:54:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:17,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:54:17,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:17,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:54:17,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:54:17,186 INFO L87 Difference]: Start difference. First operand 118 states and 147 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 15:54:17,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:17,443 INFO L93 Difference]: Finished difference Result 369 states and 463 transitions. [2022-11-23 15:54:17,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:54:17,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2022-11-23 15:54:17,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:17,453 INFO L225 Difference]: With dead ends: 369 [2022-11-23 15:54:17,454 INFO L226 Difference]: Without dead ends: 253 [2022-11-23 15:54:17,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:54:17,461 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 119 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:17,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 247 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:54:17,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-11-23 15:54:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 246. [2022-11-23 15:54:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 165 states have (on average 1.2787878787878788) internal successors, (211), 183 states have internal predecessors, (211), 44 states have call successors, (44), 37 states have call predecessors, (44), 36 states have return successors, (53), 39 states have call predecessors, (53), 44 states have call successors, (53) [2022-11-23 15:54:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 308 transitions. [2022-11-23 15:54:17,537 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 308 transitions. Word has length 33 [2022-11-23 15:54:17,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:17,537 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 308 transitions. [2022-11-23 15:54:17,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 15:54:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 308 transitions. [2022-11-23 15:54:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 15:54:17,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:17,541 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:17,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:54:17,541 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:17,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash 650926145, now seen corresponding path program 1 times [2022-11-23 15:54:17,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:17,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251177056] [2022-11-23 15:54:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:54:17,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:17,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251177056] [2022-11-23 15:54:17,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251177056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:17,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:17,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:54:17,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217967118] [2022-11-23 15:54:17,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:17,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:54:17,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:17,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:54:17,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:54:17,937 INFO L87 Difference]: Start difference. First operand 246 states and 308 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 15:54:18,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:18,652 INFO L93 Difference]: Finished difference Result 568 states and 729 transitions. [2022-11-23 15:54:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:54:18,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 36 [2022-11-23 15:54:18,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:18,657 INFO L225 Difference]: With dead ends: 568 [2022-11-23 15:54:18,657 INFO L226 Difference]: Without dead ends: 415 [2022-11-23 15:54:18,658 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 [2022-11-23 15:54:18,659 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 207 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:18,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 280 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:54:18,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2022-11-23 15:54:18,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 344. [2022-11-23 15:54:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 234 states have (on average 1.2692307692307692) internal successors, (297), 259 states have internal predecessors, (297), 59 states have call successors, (59), 46 states have call predecessors, (59), 50 states have return successors, (74), 57 states have call predecessors, (74), 59 states have call successors, (74) [2022-11-23 15:54:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 430 transitions. [2022-11-23 15:54:18,720 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 430 transitions. Word has length 36 [2022-11-23 15:54:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:18,721 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 430 transitions. [2022-11-23 15:54:18,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 15:54:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 430 transitions. [2022-11-23 15:54:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:54:18,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:18,725 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:18,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:54:18,726 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:18,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:18,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1127725577, now seen corresponding path program 1 times [2022-11-23 15:54:18,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:18,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387560966] [2022-11-23 15:54:18,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:18,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:54:19,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:19,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387560966] [2022-11-23 15:54:19,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387560966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:54:19,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073635249] [2022-11-23 15:54:19,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:19,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:54:19,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:54:19,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:54:19,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:54:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:19,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 15:54:19,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:54:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:54:19,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:54:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:54:19,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073635249] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:54:19,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1936664081] [2022-11-23 15:54:19,979 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-23 15:54:19,979 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:54:19,993 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:54:20,000 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:54:20,001 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:54:23,550 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-23 15:54:23,561 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 49 for LOIs [2022-11-23 15:54:23,980 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 44 for LOIs [2022-11-23 15:54:23,987 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-23 15:54:24,022 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:54:29,402 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4789#(and (= |timeShift_getWaterLevel_~retValue_acc~11#1| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2)) (= |timeShift_getWaterLevel_~retValue_acc~11#1| |timeShift_getWaterLevel_#res#1|) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 2 |timeShift_getWaterLevel_#res#1|) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| |timeShift_getWaterLevel_#res#1|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |old(~switchedOnBeforeTS~0)| 0))' at error location [2022-11-23 15:54:29,403 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:54:29,403 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:54:29,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 18 [2022-11-23 15:54:29,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299588553] [2022-11-23 15:54:29,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:54:29,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-23 15:54:29,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:29,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-23 15:54:29,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=1734, Unknown=0, NotChecked=0, Total=1980 [2022-11-23 15:54:29,407 INFO L87 Difference]: Start difference. First operand 344 states and 430 transitions. Second operand has 18 states, 16 states have (on average 5.0625) internal successors, (81), 17 states have internal predecessors, (81), 6 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2022-11-23 15:54:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:34,900 INFO L93 Difference]: Finished difference Result 1918 states and 2822 transitions. [2022-11-23 15:54:34,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-23 15:54:34,906 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.0625) internal successors, (81), 17 states have internal predecessors, (81), 6 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) Word has length 62 [2022-11-23 15:54:34,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:34,918 INFO L225 Difference]: With dead ends: 1918 [2022-11-23 15:54:34,919 INFO L226 Difference]: Without dead ends: 1576 [2022-11-23 15:54:34,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5364 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=1362, Invalid=13644, Unknown=0, NotChecked=0, Total=15006 [2022-11-23 15:54:34,934 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 1119 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 2923 mSolverCounterSat, 1000 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 2923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:34,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 1346 Invalid, 3923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1000 Valid, 2923 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 15:54:34,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-11-23 15:54:35,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1003. [2022-11-23 15:54:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 697 states have (on average 1.2754662840746054) internal successors, (889), 750 states have internal predecessors, (889), 160 states have call successors, (160), 138 states have call predecessors, (160), 145 states have return successors, (260), 148 states have call predecessors, (260), 160 states have call successors, (260) [2022-11-23 15:54:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1309 transitions. [2022-11-23 15:54:35,156 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1309 transitions. Word has length 62 [2022-11-23 15:54:35,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:35,156 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1309 transitions. [2022-11-23 15:54:35,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.0625) internal successors, (81), 17 states have internal predecessors, (81), 6 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2022-11-23 15:54:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1309 transitions. [2022-11-23 15:54:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:54:35,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:35,163 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:35,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:54:35,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:54:35,370 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:35,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:35,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1303465807, now seen corresponding path program 1 times [2022-11-23 15:54:35,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:35,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812177602] [2022-11-23 15:54:35,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:35,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:54:35,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:35,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812177602] [2022-11-23 15:54:35,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812177602] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:54:35,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169732011] [2022-11-23 15:54:35,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:35,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:54:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:54:35,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:54:35,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:54:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:35,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 15:54:35,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:54:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:54:35,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:54:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 15:54:36,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169732011] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:54:36,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [437661021] [2022-11-23 15:54:36,095 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-23 15:54:36,096 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:54:36,096 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:54:36,096 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:54:36,097 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:54:38,355 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-11-23 15:54:38,364 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2022-11-23 15:54:38,720 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 39 for LOIs [2022-11-23 15:54:38,726 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 73 for LOIs [2022-11-23 15:54:39,133 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 50 for LOIs [2022-11-23 15:54:39,139 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:54:44,570 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9880#(and (= |timeShift_getWaterLevel_~retValue_acc~11#1| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483647) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2)) (<= |old(~pumpRunning~0)| 2147483647) (= |timeShift_getWaterLevel_~retValue_acc~11#1| |timeShift_getWaterLevel_#res#1|) (= 1 ~systemActive~0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483648)) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| |timeShift_getWaterLevel_#res#1|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 15:54:44,570 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:54:44,571 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:54:44,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 13 [2022-11-23 15:54:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277244109] [2022-11-23 15:54:44,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:54:44,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:54:44,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:44,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:54:44,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1817, Unknown=0, NotChecked=0, Total=2070 [2022-11-23 15:54:44,574 INFO L87 Difference]: Start difference. First operand 1003 states and 1309 transitions. Second operand has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-23 15:54:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:45,994 INFO L93 Difference]: Finished difference Result 1962 states and 2636 transitions. [2022-11-23 15:54:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 15:54:45,995 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) Word has length 65 [2022-11-23 15:54:45,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:46,004 INFO L225 Difference]: With dead ends: 1962 [2022-11-23 15:54:46,005 INFO L226 Difference]: Without dead ends: 1294 [2022-11-23 15:54:46,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1535 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=528, Invalid=4164, Unknown=0, NotChecked=0, Total=4692 [2022-11-23 15:54:46,011 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 508 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:46,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 476 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:54:46,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2022-11-23 15:54:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1044. [2022-11-23 15:54:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 725 states have (on average 1.2510344827586206) internal successors, (907), 781 states have internal predecessors, (907), 168 states have call successors, (168), 146 states have call predecessors, (168), 150 states have return successors, (255), 154 states have call predecessors, (255), 168 states have call successors, (255) [2022-11-23 15:54:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1330 transitions. [2022-11-23 15:54:46,167 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1330 transitions. Word has length 65 [2022-11-23 15:54:46,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:46,168 INFO L495 AbstractCegarLoop]: Abstraction has 1044 states and 1330 transitions. [2022-11-23 15:54:46,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-23 15:54:46,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1330 transitions. [2022-11-23 15:54:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:54:46,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:46,179 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:46,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:54:46,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:54:46,387 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:46,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:46,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1123651971, now seen corresponding path program 1 times [2022-11-23 15:54:46,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:46,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840773075] [2022-11-23 15:54:46,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 20 proven. 33 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-23 15:54:47,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:47,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840773075] [2022-11-23 15:54:47,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840773075] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:54:47,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994952493] [2022-11-23 15:54:47,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:47,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:54:47,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:54:47,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:54:47,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:54:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:47,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-23 15:54:47,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:54:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:54:47,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:54:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-23 15:54:48,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994952493] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:54:48,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1977915821] [2022-11-23 15:54:48,050 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-11-23 15:54:48,050 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:54:48,053 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:54:48,054 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:54:48,054 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:54:52,895 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 144 for LOIs [2022-11-23 15:54:52,917 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 37 for LOIs [2022-11-23 15:54:53,439 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 30 for LOIs [2022-11-23 15:54:53,443 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2022-11-23 15:54:53,481 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 50 for LOIs [2022-11-23 15:54:53,490 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 36 for LOIs [2022-11-23 15:54:53,494 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:55:04,036 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15177#(and (= |timeShift_getWaterLevel_~retValue_acc~11#1| ~waterLevel~0) (<= ~methaneLevelCritical~0 1) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 1) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2)) (<= |#NULL.offset| 0) (= |timeShift_getWaterLevel_~retValue_acc~11#1| |timeShift_getWaterLevel_#res#1|) (= |old(~pumpRunning~0)| 0) (<= 0 ~head~0.base) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 ~methaneLevelCritical~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| |timeShift_getWaterLevel_#res#1|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 15:55:04,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:55:04,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:55:04,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 11] total 25 [2022-11-23 15:55:04,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529275297] [2022-11-23 15:55:04,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:55:04,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 15:55:04,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:04,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 15:55:04,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=3248, Unknown=0, NotChecked=0, Total=3540 [2022-11-23 15:55:04,041 INFO L87 Difference]: Start difference. First operand 1044 states and 1330 transitions. Second operand has 25 states, 19 states have (on average 7.631578947368421) internal successors, (145), 22 states have internal predecessors, (145), 11 states have call successors, (34), 9 states have call predecessors, (34), 14 states have return successors, (33), 12 states have call predecessors, (33), 11 states have call successors, (33) [2022-11-23 15:55:06,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:06,755 INFO L93 Difference]: Finished difference Result 3150 states and 4100 transitions. [2022-11-23 15:55:06,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-23 15:55:06,756 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 7.631578947368421) internal successors, (145), 22 states have internal predecessors, (145), 11 states have call successors, (34), 9 states have call predecessors, (34), 14 states have return successors, (33), 12 states have call predecessors, (33), 11 states have call successors, (33) Word has length 94 [2022-11-23 15:55:06,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:06,772 INFO L225 Difference]: With dead ends: 3150 [2022-11-23 15:55:06,772 INFO L226 Difference]: Without dead ends: 2228 [2022-11-23 15:55:06,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 250 SyntacticMatches, 3 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3248 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=830, Invalid=8676, Unknown=0, NotChecked=0, Total=9506 [2022-11-23 15:55:06,783 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 834 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:06,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 577 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 15:55:06,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-11-23 15:55:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1733. [2022-11-23 15:55:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1196 states have (on average 1.229933110367893) internal successors, (1471), 1293 states have internal predecessors, (1471), 276 states have call successors, (276), 246 states have call predecessors, (276), 260 states have return successors, (389), 263 states have call predecessors, (389), 276 states have call successors, (389) [2022-11-23 15:55:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2136 transitions. [2022-11-23 15:55:07,056 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2136 transitions. Word has length 94 [2022-11-23 15:55:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:07,058 INFO L495 AbstractCegarLoop]: Abstraction has 1733 states and 2136 transitions. [2022-11-23 15:55:07,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 7.631578947368421) internal successors, (145), 22 states have internal predecessors, (145), 11 states have call successors, (34), 9 states have call predecessors, (34), 14 states have return successors, (33), 12 states have call predecessors, (33), 11 states have call successors, (33) [2022-11-23 15:55:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2136 transitions. [2022-11-23 15:55:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-23 15:55:07,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:07,064 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:07,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 15:55:07,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:55:07,272 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:55:07,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:07,273 INFO L85 PathProgramCache]: Analyzing trace with hash -303165454, now seen corresponding path program 1 times [2022-11-23 15:55:07,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:07,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050407538] [2022-11-23 15:55:07,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:07,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 15:55:08,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:08,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050407538] [2022-11-23 15:55:08,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050407538] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:55:08,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421236473] [2022-11-23 15:55:08,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:08,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:55:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:55:08,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:55:08,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:55:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:08,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-23 15:55:08,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:55:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 37 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:55:09,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:55:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 15:55:10,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421236473] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:55:10,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2130302494] [2022-11-23 15:55:10,123 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 15:55:10,128 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:55:10,128 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:55:10,129 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:55:10,129 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:55:12,416 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 25 for LOIs [2022-11-23 15:55:12,420 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-23 15:55:13,006 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2022-11-23 15:55:13,008 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-23 15:55:13,047 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2022-11-23 15:55:13,050 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:55:18,572 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '23339#(and (= |timeShift_getWaterLevel_~retValue_acc~11#1| ~waterLevel~0) (<= 0 |old(~pumpRunning~0)|) (= ~head~0.offset 0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 1) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2)) (<= |old(~pumpRunning~0)| 2147483647) (<= |#NULL.offset| 0) (= |timeShift_getWaterLevel_~retValue_acc~11#1| |timeShift_getWaterLevel_#res#1|) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 ~methaneLevelCritical~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| |timeShift_getWaterLevel_#res#1|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 15:55:18,573 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:55:18,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:55:18,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 11] total 33 [2022-11-23 15:55:18,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228042820] [2022-11-23 15:55:18,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:55:18,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-23 15:55:18,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:18,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-23 15:55:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=3698, Unknown=0, NotChecked=0, Total=4160 [2022-11-23 15:55:18,576 INFO L87 Difference]: Start difference. First operand 1733 states and 2136 transitions. Second operand has 33 states, 31 states have (on average 4.870967741935484) internal successors, (151), 32 states have internal predecessors, (151), 18 states have call successors, (31), 9 states have call predecessors, (31), 13 states have return successors, (29), 16 states have call predecessors, (29), 17 states have call successors, (29) [2022-11-23 15:55:26,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:26,773 INFO L93 Difference]: Finished difference Result 5185 states and 6878 transitions. [2022-11-23 15:55:26,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-11-23 15:55:26,774 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 4.870967741935484) internal successors, (151), 32 states have internal predecessors, (151), 18 states have call successors, (31), 9 states have call predecessors, (31), 13 states have return successors, (29), 16 states have call predecessors, (29), 17 states have call successors, (29) Word has length 91 [2022-11-23 15:55:26,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:26,776 INFO L225 Difference]: With dead ends: 5185 [2022-11-23 15:55:26,776 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:55:26,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 280 SyntacticMatches, 7 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10208 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=3008, Invalid=22114, Unknown=0, NotChecked=0, Total=25122 [2022-11-23 15:55:26,796 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 2537 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 3475 mSolverCounterSat, 1919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2542 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 5394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1919 IncrementalHoareTripleChecker+Valid, 3475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:26,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2542 Valid, 1495 Invalid, 5394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1919 Valid, 3475 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:55:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:55:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:55:26,797 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) [2022-11-23 15:55:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:55:26,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-11-23 15:55:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:26,799 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:55:26,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 4.870967741935484) internal successors, (151), 32 states have internal predecessors, (151), 18 states have call successors, (31), 9 states have call predecessors, (31), 13 states have return successors, (29), 16 states have call predecessors, (29), 17 states have call successors, (29) [2022-11-23 15:55:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:55:26,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:55:26,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:55:26,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:55:27,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 15:55:27,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:55:44,656 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 434 DAG size of output: 371 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 15:56:32,889 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 179 186) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (let ((.cse5 (not (= ~pumpRunning~0 0)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or .cse5 .cse3) (or .cse5 (= 2 ~waterLevel~0)) (not (= 0 ~systemActive~0))))) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 (not (= ~methaneLevelCritical~0 1)))))) [2022-11-23 15:56:32,889 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 179 186) no Hoare annotation was computed. [2022-11-23 15:56:32,889 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 94 100) no Hoare annotation was computed. [2022-11-23 15:56:32,890 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 94 100) the Hoare annotation is: true [2022-11-23 15:56:32,890 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 964 975) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0))) (let ((.cse11 (not (= 2 ~waterLevel~0))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse5 (not .cse10)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse6 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse0 .cse6 .cse11 .cse2) (or .cse0 .cse1 .cse11 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse8 .cse3) (or .cse6 .cse7 .cse8 .cse9 .cse3) (or .cse1 .cse7 .cse8 .cse9 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse4 .cse10)))) [2022-11-23 15:56:32,890 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 964 975) no Hoare annotation was computed. [2022-11-23 15:56:32,890 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-11-23 15:56:32,890 INFO L899 garLoopResultBuilder]: For program point L801-1(line 801) no Hoare annotation was computed. [2022-11-23 15:56:32,891 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 795 824) no Hoare annotation was computed. [2022-11-23 15:56:32,891 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 795 824) the Hoare annotation is: true [2022-11-23 15:56:32,891 INFO L902 garLoopResultBuilder]: At program point L820(lines 795 824) the Hoare annotation is: true [2022-11-23 15:56:32,891 INFO L899 garLoopResultBuilder]: For program point L816(line 816) no Hoare annotation was computed. [2022-11-23 15:56:32,891 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 813) no Hoare annotation was computed. [2022-11-23 15:56:32,891 INFO L902 garLoopResultBuilder]: At program point L809-1(lines 809 813) the Hoare annotation is: true [2022-11-23 15:56:32,892 INFO L902 garLoopResultBuilder]: At program point L805-2(lines 805 819) the Hoare annotation is: true [2022-11-23 15:56:32,892 INFO L899 garLoopResultBuilder]: For program point L411(lines 411 417) no Hoare annotation was computed. [2022-11-23 15:56:32,892 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (and .cse1 .cse2 .cse3)) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse9) (or .cse10 .cse8 .cse11 .cse12) (or .cse10 .cse0 .cse13 .cse8 .cse11) (or .cse7 .cse10 .cse0 .cse13 .cse4) (or .cse6 .cse0 .cse8 .cse5 .cse9) (or .cse6 .cse0 .cse4 .cse11 .cse9) (or .cse10 .cse4 .cse11 .cse12) (or .cse0 .cse8 (not (= |old(~pumpRunning~0)| 1)) .cse5)))) [2022-11-23 15:56:32,893 INFO L895 garLoopResultBuilder]: At program point L147-1(lines 128 152) the Hoare annotation is: (let ((.cse24 (< 0 |old(~waterLevel~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse23 (and (not .cse24) .cse11)) (.cse22 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse18 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse21 (or .cse23 (and .cse22 .cse24))) (.cse20 (not (= ~switchedOnBeforeTS~0 0))) (.cse2 (or .cse22 .cse23)) (.cse19 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse4 (= ~pumpRunning~0 1)) (.cse10 (= 2 ~waterLevel~0)) (.cse12 (and .cse19 .cse11 .cse3)) (.cse0 (and .cse20 .cse19 .cse2)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse16 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse14 (and .cse18 .cse21 .cse3)) (.cse15 (and .cse20 .cse19 .cse21)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse17 (= |old(~switchedOnBeforeTS~0)| 0))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (not (= |old(~pumpRunning~0)| 1)) .cse6) (or .cse7 .cse5 .cse8 .cse9) (or (and .cse10 .cse11 .cse4) .cse7 .cse1 .cse12 .cse5 .cse8) (or .cse13 .cse1 .cse14 .cse15 .cse16 .cse8 .cse17) (or .cse7 (and .cse10 .cse11) .cse1 .cse12 .cse16 .cse8) (or .cse0 .cse1 (and .cse18 .cse2 .cse3) (and .cse18 .cse19) .cse16 .cse6) (or .cse7 .cse16 .cse8 .cse9) (or .cse13 .cse1 .cse5 .cse14 .cse15 .cse8 .cse17)))))) [2022-11-23 15:56:32,893 INFO L895 garLoopResultBuilder]: At program point L81-1(lines 81 87) the Hoare annotation is: (let ((.cse24 (< 0 |old(~waterLevel~0)|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse23 (and (not .cse24) .cse13)) (.cse22 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse18 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse21 (or .cse23 (and .cse22 .cse24))) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse20 (not (= ~switchedOnBeforeTS~0 0))) (.cse19 (= ~pumpRunning~0 0)) (.cse2 (or .cse22 .cse23))) (let ((.cse4 (= ~pumpRunning~0 1)) (.cse12 (= 2 ~waterLevel~0)) (.cse0 (and .cse20 .cse19 .cse2)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse19 .cse13 .cse3)) (.cse11 (not (= 0 ~systemActive~0))) (.cse14 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse15 (and .cse18 .cse21 .cse3)) (.cse16 (and .cse20 .cse19 .cse21)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse17 (= |old(~switchedOnBeforeTS~0)| 0))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (not (= |old(~pumpRunning~0)| 1)) .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or (and .cse12 .cse13 .cse4) .cse7 .cse1 .cse8 .cse5 .cse10) (or .cse14 .cse1 .cse15 .cse16 .cse9 .cse10 .cse17) (or .cse7 (and .cse12 .cse13) .cse1 .cse8 .cse9 .cse10) (or .cse0 .cse1 (and .cse18 .cse2 .cse3) (and .cse18 .cse19) .cse9 .cse6) (or .cse7 .cse8 .cse5 .cse10 .cse11) (or .cse14 .cse1 .cse5 .cse15 .cse16 .cse10 .cse17)))))) [2022-11-23 15:56:32,894 INFO L895 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (let ((.cse22 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse24 (< 0 |old(~waterLevel~0)|)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse23 (and (not .cse24) .cse20)) (.cse19 (and .cse22 .cse24))) (let ((.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (not (= ~switchedOnBeforeTS~0 0))) (.cse13 (= ~pumpRunning~0 0)) (.cse3 (or .cse23 .cse19)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| ~waterLevel~0))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (and .cse12 .cse13 .cse3 .cse4)) (.cse9 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (or .cse22 .cse23)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse17 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (not (= 0 ~systemActive~0))) (.cse18 (not (<= |old(~waterLevel~0)| 1))) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= 1 ~systemActive~0))) (.cse15 (not (= ~methaneLevelCritical~0 1))) (.cse21 (and .cse13 .cse20 .cse4 .cse5))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 (not (= |old(~pumpRunning~0)| 1)) (and .cse10 .cse4 .cse5 (= ~pumpRunning~0 1)) .cse11 (and .cse12 .cse13 .cse10 .cse4)) (or .cse14 .cse15 .cse8 .cse16 .cse17) (or .cse0 .cse18 .cse1 .cse6 (and .cse2 (<= ~waterLevel~0 0) (or .cse19 .cse20) .cse4 .cse5) .cse15 .cse9) (or .cse14 .cse6 (and .cse13 (<= ~waterLevel~0 1) .cse20 .cse4 .cse5) .cse7 .cse8) (or (and .cse2 (not .cse13) (= ~waterLevel~0 1) .cse4 .cse5) .cse6 (and .cse12 .cse14 .cse13 .cse10 .cse4) .cse15 .cse11) (or .cse18 .cse14 .cse15 .cse16 .cse21) (or .cse14 .cse7 .cse8 .cse16 .cse17) (or .cse14 .cse7 .cse8 .cse16 .cse21) (or .cse18 .cse14 .cse6 .cse15 .cse21)))))) [2022-11-23 15:56:32,894 INFO L899 garLoopResultBuilder]: For program point L408-1(line 408) no Hoare annotation was computed. [2022-11-23 15:56:32,894 INFO L899 garLoopResultBuilder]: For program point L74-2(lines 70 92) no Hoare annotation was computed. [2022-11-23 15:56:32,894 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2022-11-23 15:56:32,895 INFO L895 garLoopResultBuilder]: At program point L933(line 933) the Hoare annotation is: (let ((.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse3) (or .cse6 .cse1 .cse2 .cse3) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse4) (or .cse6 .cse1 .cse4 .cse7) (or .cse1 .cse2 .cse7) (or .cse0 .cse2 .cse3 .cse5) (or .cse1 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse7))) [2022-11-23 15:56:32,895 INFO L895 garLoopResultBuilder]: At program point L132(lines 132 149) the Hoare annotation is: (let ((.cse12 (< 0 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse19 (= ~pumpRunning~0 0)) (.cse18 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (or (and .cse19 .cse13) (and (not .cse19) .cse18))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (and .cse19 .cse13 .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~systemActive~0))) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse17 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 1 ~systemActive~0))) (.cse16 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= ~switchedOnBeforeTS~0 0))) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (and .cse18 .cse12)) (.cse15 (= |old(~switchedOnBeforeTS~0)| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse5 .cse6 (= ~pumpRunning~0 1)) .cse7) (or .cse0 .cse4 .cse8 .cse1 .cse2) (or .cse9 (and .cse10 .cse11 (or (and (not .cse12) .cse13) .cse14) .cse6) .cse4 .cse1 .cse2 .cse15) (or .cse4 (and .cse11 .cse5 .cse6) .cse16 .cse7) (or .cse17 .cse0 .cse4 .cse8 .cse16) (or .cse0 .cse16 .cse2 .cse3) (or .cse9 .cse17 .cse4 .cse16 (and .cse10 .cse11 (<= ~waterLevel~0 0) (or .cse14 .cse13) .cse6) .cse15)))) [2022-11-23 15:56:32,896 INFO L895 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse17 (= 0 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse11 (not (= ~switchedOnBeforeTS~0 0))) (.cse12 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (and .cse16 .cse3)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (and .cse16 .cse10 .cse3 .cse17)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not .cse17))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (and .cse3 (= ~pumpRunning~0 1))) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse9 (and .cse10 .cse3) .cse0 .cse5) (or .cse11 .cse9 .cse0 .cse5 .cse6 .cse12) (or .cse4 .cse9 .cse5 .cse6 .cse7 .cse13) (or .cse9 .cse14 .cse5 .cse6 .cse13) (or .cse9 .cse0 .cse1 .cse6 (and .cse11 .cse10 .cse3) .cse12) (or .cse4 .cse9 .cse1 .cse6 .cse7 .cse13) (or .cse0 .cse15 .cse5 .cse2) (or .cse4 .cse8 .cse0 .cse15 .cse5) (or .cse4 .cse0 .cse1 (and .cse16 .cse3 .cse7) .cse6) (or .cse9 .cse14 .cse1 .cse6 .cse13)))) [2022-11-23 15:56:32,896 INFO L895 garLoopResultBuilder]: At program point L393-1(line 393) the Hoare annotation is: (let ((.cse20 (= 0 ~systemActive~0))) (let ((.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not .cse20)) (.cse19 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= ~pumpRunning~0 0)) (.cse16 (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret22#1|)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse19 .cse15 .cse16 .cse17 .cse20)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (and (not (= ~switchedOnBeforeTS~0 0)) .cse19 .cse16 .cse17 .cse10 .cse4)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse18 (not (= |old(~waterLevel~0)| 2))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse14 (and .cse19 .cse15 .cse16 .cse17 (or .cse17 (= ~waterLevel~0 1)) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3 .cse8) (or .cse5 .cse0 .cse9 .cse2 .cse10 .cse4) (or .cse5 .cse0 .cse9 .cse11 .cse10 .cse4) (or .cse0 .cse1 .cse11 .cse3 .cse4) (or .cse5 .cse7 .cse2 .cse3 .cse10 .cse12) (or .cse5 .cse7 .cse11 .cse3 .cse10 .cse12) (or .cse5 .cse9 .cse7 .cse11 .cse10) (or .cse13 .cse0 .cse7 .cse14 .cse2) (or .cse5 .cse9 .cse7 .cse2 .cse10) (or .cse5 .cse6 .cse7 .cse11 .cse3 .cse8) (or .cse0 .cse7 .cse11 (and .cse15 .cse16 .cse17) .cse18) (or .cse7 (and .cse19 .cse16 .cse17) .cse2 .cse18) (or .cse7 .cse11 (not (= |old(~pumpRunning~0)| 1)) .cse18 (and .cse16 .cse17 (= ~pumpRunning~0 1))) (or .cse13 .cse0 .cse7 .cse11 .cse14))))) [2022-11-23 15:56:32,896 INFO L899 garLoopResultBuilder]: For program point L410(lines 410 420) no Hoare annotation was computed. [2022-11-23 15:56:32,897 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 423) no Hoare annotation was computed. [2022-11-23 15:56:32,897 INFO L895 garLoopResultBuilder]: At program point L406-1(lines 398 426) the Hoare annotation is: (let ((.cse28 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse33 (< 0 |old(~waterLevel~0)|))) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (and .cse28 .cse33)) (.cse24 (= ~pumpRunning~0 0))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse31 (= 1 ~systemActive~0)) (.cse29 (= ~methaneLevelCritical~0 1)) (.cse25 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2)) (.cse27 (= 0 ~systemActive~0)) (.cse11 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse32 (not .cse24)) (.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse30 (not (= ~switchedOnBeforeTS~0 0))) (.cse26 (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (.cse23 (or (and (not .cse33) .cse9) .cse8)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| ~waterLevel~0))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (and .cse30 .cse24 .cse26 .cse23 .cse10)) (.cse6 (or .cse32 .cse15)) (.cse7 (or .cse32 (= 2 ~waterLevel~0))) (.cse13 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse18 (and .cse24 .cse26 .cse9 .cse10 .cse11)) (.cse16 (not (<= |old(~waterLevel~0)| 2))) (.cse21 (= ~pumpRunning~0 1)) (.cse17 (and .cse24 .cse9 .cse27 .cse10 .cse11)) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not .cse27)) (.cse19 (and .cse5 .cse24 .cse31 .cse29 .cse25 .cse9 .cse10)) (.cse2 (not .cse31)) (.cse22 (and .cse30 .cse24 .cse28 .cse26 .cse10)) (.cse4 (not .cse29)) (.cse20 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 (<= ~waterLevel~0 0) (or .cse8 .cse9) .cse10 .cse11 .cse12) .cse13) (or .cse14 .cse15 .cse16 .cse12 .cse17) (or .cse1 .cse14 .cse2 .cse18 .cse4) (or .cse19 .cse14 .cse2 .cse4 .cse20) (or .cse2 .cse15 (not (= |old(~pumpRunning~0)| 1)) (and (= ~waterLevel~0 1) .cse10 .cse11 .cse21) .cse22 .cse20) (or .cse0 .cse2 .cse15 .cse3 .cse16 (and .cse5 .cse6 .cse7 .cse23 .cse10 .cse11 .cse12) .cse13) (or .cse14 .cse2 .cse18 .cse15 (and .cse24 .cse25 .cse9 .cse10 .cse11) .cse16 (and .cse25 .cse9 .cse10 .cse21)) (or .cse14 .cse4 .cse20 .cse12 .cse17) (or .cse1 .cse14 .cse4 (and .cse24 .cse26 .cse9 .cse27 .cse10 .cse11) .cse12) (or .cse1 .cse14 .cse15 .cse26 .cse12) (or .cse19 .cse2 (and .cse5 .cse28 .cse10 .cse11) .cse22 .cse4 .cse20)))))) [2022-11-23 15:56:32,897 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 67 93) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse17 (= 0 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse11 (not (= ~switchedOnBeforeTS~0 0))) (.cse12 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (and .cse16 .cse3)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (and .cse16 .cse10 .cse3 .cse17)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not .cse17))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (and .cse3 (= ~pumpRunning~0 1))) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse9 (and .cse10 .cse3) .cse0 .cse5) (or .cse11 .cse9 .cse0 .cse5 .cse6 .cse12) (or .cse4 .cse9 .cse5 .cse6 .cse7 .cse13) (or .cse9 .cse14 .cse5 .cse6 .cse13) (or .cse9 .cse0 .cse1 .cse6 (and .cse11 .cse10 .cse3) .cse12) (or .cse4 .cse9 .cse1 .cse6 .cse7 .cse13) (or .cse0 .cse15 .cse5 .cse2) (or .cse4 .cse8 .cse0 .cse15 .cse5) (or .cse4 .cse0 .cse1 (and .cse16 .cse3 .cse7) .cse6) (or .cse9 .cse14 .cse1 .cse6 .cse13)))) [2022-11-23 15:56:32,898 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse14 (< 0 |old(~waterLevel~0)|))) (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (and (not .cse14) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse12 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (and .cse8 (or .cse13 (and .cse12 .cse14)) .cse10)) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (or .cse12 .cse13)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse3) (or .cse6 .cse1 .cse4 .cse7 .cse3) (or .cse6 .cse1 .cse7 .cse2 .cse3) (or .cse1 (and .cse8 .cse9 .cse10) .cse2 .cse11) (or .cse1 (and .cse9 .cse10 (= ~pumpRunning~0 1)) .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse11) (or .cse0 .cse2 .cse3 .cse5))))) [2022-11-23 15:56:32,898 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 67 93) no Hoare annotation was computed. [2022-11-23 15:56:32,898 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse14 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse15 (< 0 |old(~waterLevel~0)|)) (.cse16 (not (= ~pumpRunning~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (or .cse16 .cse4)) (.cse9 (or .cse16 (= 2 ~waterLevel~0))) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (and .cse14 .cse15)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse7 .cse8 .cse9 (<= ~waterLevel~0 0) (or .cse10 .cse11) .cse12 .cse5) .cse2) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse2 .cse13 (and .cse7 .cse14 .cse8 .cse9 .cse12 .cse5)) (or .cse0 .cse2 .cse3 .cse5) (or .cse6 .cse1 .cse4 (and .cse7 .cse8 .cse9 (or (and (not .cse15) .cse11) .cse10) .cse12 .cse5) .cse3) (or .cse1 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse13 (and .cse7 (= ~waterLevel~0 1) .cse12))))) [2022-11-23 15:56:32,899 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 933) no Hoare annotation was computed. [2022-11-23 15:56:32,899 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= ~pumpRunning~0 0)))) (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (let ((.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and (= 2 ~waterLevel~0) (not .cse4) .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse7))))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3)))) [2022-11-23 15:56:32,899 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:56:32,899 INFO L902 garLoopResultBuilder]: At program point L371(lines 308 375) the Hoare annotation is: true [2022-11-23 15:56:32,900 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-11-23 15:56:32,900 INFO L899 garLoopResultBuilder]: For program point L338-1(lines 338 344) no Hoare annotation was computed. [2022-11-23 15:56:32,900 INFO L895 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse7 (= ~pumpRunning~0 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse6 (not .cse9)) (.cse0 (= ~methaneLevelCritical~0 0))) (let ((.cse11 (let ((.cse13 (or (not .cse0) (= ~pumpRunning~0 1)))) (or (and (not .cse7) .cse13 .cse3 (= ~waterLevel~0 1) .cse4 .cse6) (and .cse10 .cse13 .cse3 .cse4 .cse6)))) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse12 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse8 .cse9 .cse4 .cse5) (and .cse10 .cse0 .cse2 .cse11) (and .cse1 .cse2 .cse12 .cse3 .cse4 .cse5) (and .cse7 .cse2 .cse12 .cse11) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse7 .cse10 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse12 .cse3 .cse8 .cse9 .cse4 .cse5) (and .cse7 .cse1 .cse2 .cse12 .cse3 .cse4))))) [2022-11-23 15:56:32,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:56:32,900 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2022-11-23 15:56:32,901 INFO L895 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse8 .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4))) [2022-11-23 15:56:32,901 INFO L895 garLoopResultBuilder]: At program point L880(lines 880 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-23 15:56:32,901 INFO L895 garLoopResultBuilder]: At program point L368(lines 317 369) the Hoare annotation is: false [2022-11-23 15:56:32,901 INFO L902 garLoopResultBuilder]: At program point L880-2(lines 880 887) the Hoare annotation is: true [2022-11-23 15:56:32,901 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 362) no Hoare annotation was computed. [2022-11-23 15:56:32,902 INFO L895 garLoopResultBuilder]: At program point L356-2(lines 348 363) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse7 .cse3 .cse5 .cse8) (and .cse6 .cse1 .cse7 .cse3 .cse5 (= ~pumpRunning~0 1)) (and .cse0 .cse6 .cse1 .cse3 .cse4 .cse5) (and .cse2 .cse7 .cse9 .cse3 .cse5 .cse8) (and .cse1 .cse2 .cse7 .cse3 .cse5 .cse8) (and .cse6 .cse7 .cse9 .cse3 .cse5) (and .cse0 .cse9 .cse3 .cse10 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse2 .cse7 .cse9 .cse3 .cse5))) [2022-11-23 15:56:32,902 INFO L899 garLoopResultBuilder]: For program point L319(lines 318 367) no Hoare annotation was computed. [2022-11-23 15:56:32,902 INFO L895 garLoopResultBuilder]: At program point L348(lines 348 363) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse8 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse3 .cse7 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and .cse9 .cse2 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse10 .cse3 .cse4) (and .cse6 .cse10 .cse3 .cse7 .cse8 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse6 .cse9 .cse2 .cse10 .cse3 .cse4))) [2022-11-23 15:56:32,902 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse10 (= 2 ~waterLevel~0))) (let ((.cse4 (or (not .cse7) .cse10)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse9 (= 0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse9 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse10 .cse8 .cse0 .cse2 .cse5) (and .cse8 .cse11 .cse0 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse11 .cse0 .cse2 .cse5) (and .cse7 .cse1 .cse2 .cse3 .cse9 .cse5 .cse6)))) [2022-11-23 15:56:32,903 INFO L895 garLoopResultBuilder]: At program point L365(lines 318 367) the Hoare annotation is: (let ((.cse11 (= 0 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (or (not .cse8) (= ~pumpRunning~0 1))) (.cse7 (not .cse11)) (.cse1 (= 2 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse3 .cse5 (= ~waterLevel~0 1) .cse6 .cse9) (and .cse8 .cse3 .cse5 (<= ~waterLevel~0 0) .cse6 .cse9) (and .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse10 .cse5 .cse11 .cse6 .cse9) (and .cse0 .cse1 .cse8 .cse5 .cse11 .cse6 .cse9) (and .cse10 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse8 .cse10 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse8 .cse3 .cse5 .cse6) (and .cse0 .cse4 .cse5 (<= ~waterLevel~0 2) .cse11 .cse6 .cse9) (and .cse0 .cse10 .cse3 .cse4 .cse5 .cse6)))) [2022-11-23 15:56:32,903 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 334) no Hoare annotation was computed. [2022-11-23 15:56:32,903 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2022-11-23 15:56:32,903 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 102 126) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2022-11-23 15:56:32,904 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse7 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= ~switchedOnBeforeTS~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse5)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse0 .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse8 .cse4) (or .cse0 .cse6 .cse1 .cse3 .cse4)))) [2022-11-23 15:56:32,904 INFO L895 garLoopResultBuilder]: At program point L110(lines 110 118) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse7 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= ~switchedOnBeforeTS~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse5)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse0 .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse8 .cse4) (or .cse0 .cse6 .cse1 .cse3 .cse4)))) [2022-11-23 15:56:32,904 INFO L895 garLoopResultBuilder]: At program point L106(lines 106 123) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2022-11-23 15:56:32,904 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 102 126) no Hoare annotation was computed. [2022-11-23 15:56:32,904 INFO L895 garLoopResultBuilder]: At program point L121(line 121) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse4) (or .cse0 .cse6 .cse1 .cse3 .cse4))) [2022-11-23 15:56:32,905 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 102 126) no Hoare annotation was computed. [2022-11-23 15:56:32,905 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 952 963) no Hoare annotation was computed. [2022-11-23 15:56:32,905 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 952 963) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0))) (let ((.cse5 (not .cse10)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse9 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse6 .cse5 .cse7) (or .cse1 .cse8 .cse3 .cse4 .cse6 .cse5) (or .cse9 .cse8 (not (= ~pumpRunning~0 1)) .cse4 .cse6 .cse7) (or .cse0 .cse9 .cse2 .cse3 .cse4) (or .cse0 .cse9 .cse8 .cse3 .cse4) (or .cse1 .cse9 .cse8 .cse4 .cse10 .cse6) (or .cse1 .cse9 .cse2 .cse4 .cse10 .cse6)))) [2022-11-23 15:56:32,905 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 198 206) no Hoare annotation was computed. [2022-11-23 15:56:32,905 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 198 206) the Hoare annotation is: true [2022-11-23 15:56:32,909 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:56:32,911 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:56:32,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:56:32 BoogieIcfgContainer [2022-11-23 15:56:32,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:56:32,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:56:32,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:56:32,970 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:56:32,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:14" (3/4) ... [2022-11-23 15:56:32,974 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:56:32,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-23 15:56:32,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 15:56:32,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 15:56:32,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 15:56:32,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 15:56:32,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 15:56:32,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 15:56:32,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-23 15:56:32,988 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-11-23 15:56:32,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-23 15:56:32,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 15:56:32,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:56:32,991 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:56:33,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && !(0 == systemActive))) || !(methaneLevelCritical == 1))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || ((pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && !(0 == systemActive))) [2022-11-23 15:56:33,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || (((\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(pumpRunning) == 0) || (2 == waterLevel && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) && pumpRunning == switchedOnBeforeTS)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0) [2022-11-23 15:56:33,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && tmp == waterLevel)) || !(methaneLevelCritical == 1)) || (((((((pumpRunning == \old(pumpRunning) && (!(pumpRunning == 0) || !(methaneLevelCritical == 0))) && (!(pumpRunning == 0) || 2 == waterLevel)) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || \old(switchedOnBeforeTS) == 0) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || ((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 0 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && tmp___0 == 0) && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 2) && \old(waterLevel) == waterLevel) && tmp == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((waterLevel == 1 && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && \old(waterLevel) == waterLevel + 1) && tmp___0 == 0) && tmp == waterLevel)) || !(\old(waterLevel) == 2))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && tmp == waterLevel)) || !(\old(waterLevel) <= 2)) || ((((((pumpRunning == \old(pumpRunning) && (!(pumpRunning == 0) || !(methaneLevelCritical == 0))) && (!(pumpRunning == 0) || 2 == waterLevel)) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || \old(switchedOnBeforeTS) == 0)) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && tmp___0 == 0) && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == 0 && tmp == 2) && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((tmp == 2 && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) || ((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 0 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 1)) || (((((pumpRunning == 0 && tmp___0 == 0) && \old(waterLevel) == waterLevel) && 0 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || tmp___0 == 0) || !(0 == systemActive))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 2) && \old(waterLevel) == waterLevel) && tmp == waterLevel) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && \old(waterLevel) == waterLevel + 1) && tmp___0 == 0) && tmp == waterLevel)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) [2022-11-23 15:56:33,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && ((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1))) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || \old(switchedOnBeforeTS) == 0) [2022-11-23 15:56:33,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((!(1 == systemActive) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) [2022-11-23 15:56:33,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || (((\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(pumpRunning) == 0) || (2 == waterLevel && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) && pumpRunning == switchedOnBeforeTS)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0) [2022-11-23 15:56:33,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-23 15:56:33,026 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || (tmp == 0 && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(2 == waterLevel)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (tmp == 0 && pumpRunning == switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-23 15:56:33,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:56:33,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:56:33,056 INFO L158 Benchmark]: Toolchain (without parser) took 140281.56ms. Allocated memory was 157.3MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 111.8MB in the beginning and 394.9MB in the end (delta: -283.1MB). Peak memory consumption was 581.5MB. Max. memory is 16.1GB. [2022-11-23 15:56:33,056 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:56:33,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.38ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 92.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 15:56:33,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.26ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:56:33,057 INFO L158 Benchmark]: Boogie Preprocessor took 35.50ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:56:33,057 INFO L158 Benchmark]: RCFGBuilder took 894.72ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 121.8MB in the end (delta: -33.6MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-23 15:56:33,058 INFO L158 Benchmark]: TraceAbstraction took 138579.70ms. Allocated memory was 157.3MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 121.8MB in the beginning and 401.2MB in the end (delta: -279.4MB). Peak memory consumption was 639.3MB. Max. memory is 16.1GB. [2022-11-23 15:56:33,058 INFO L158 Benchmark]: Witness Printer took 86.04ms. Allocated memory is still 1.0GB. Free memory was 401.2MB in the beginning and 394.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:56:33,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.38ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 92.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.26ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.50ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 894.72ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 121.8MB in the end (delta: -33.6MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * TraceAbstraction took 138579.70ms. Allocated memory was 157.3MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 121.8MB in the beginning and 401.2MB in the end (delta: -279.4MB). Peak memory consumption was 639.3MB. Max. memory is 16.1GB. * Witness Printer took 86.04ms. Allocated memory is still 1.0GB. Free memory was 401.2MB in the beginning and 394.9MB 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: 933]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 138.4s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 65.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5531 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5493 mSDsluCounter, 5133 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4170 mSDsCounter, 3860 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9931 IncrementalHoareTripleChecker+Invalid, 13791 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3860 mSolverCounterUnsat, 963 mSDtfsCounter, 9931 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1396 GetRequests, 913 SyntacticMatches, 11 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20392 ImplicationChecksByTransitivity, 36.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1733occurred in iteration=10, InterpolantAutomatonStates: 299, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1408 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 5607 PreInvPairs, 7514 NumberOfFragments, 6049 HoareAnnotationTreeSize, 5607 FomulaSimplifications, 157689 FormulaSimplificationTreeSizeReduction, 24.4s HoareSimplificationTime, 39 FomulaSimplificationsInter, 372357 FormulaSimplificationTreeSizeReductionInter, 41.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 825 NumberOfCodeBlocks, 825 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1118 ConstructedInterpolants, 0 QuantifiedInterpolants, 3805 SizeOfPredicates, 37 NumberOfNonLiveVariables, 1534 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 421/650 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == 1) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && tmp == waterLevel)) || !(methaneLevelCritical == 1)) || (((((((pumpRunning == \old(pumpRunning) && (!(pumpRunning == 0) || !(methaneLevelCritical == 0))) && (!(pumpRunning == 0) || 2 == waterLevel)) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || \old(switchedOnBeforeTS) == 0) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || ((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 0 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && tmp___0 == 0) && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 2) && \old(waterLevel) == waterLevel) && tmp == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((waterLevel == 1 && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && \old(waterLevel) == waterLevel + 1) && tmp___0 == 0) && tmp == waterLevel)) || !(\old(waterLevel) == 2))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && tmp == waterLevel)) || !(\old(waterLevel) <= 2)) || ((((((pumpRunning == \old(pumpRunning) && (!(pumpRunning == 0) || !(methaneLevelCritical == 0))) && (!(pumpRunning == 0) || 2 == waterLevel)) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || \old(switchedOnBeforeTS) == 0)) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && tmp___0 == 0) && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == 0 && tmp == 2) && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((tmp == 2 && \old(waterLevel) == waterLevel) && tmp == waterLevel) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) || ((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 0 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 1)) || (((((pumpRunning == 0 && tmp___0 == 0) && \old(waterLevel) == waterLevel) && 0 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || tmp___0 == 0) || !(0 == systemActive))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 2) && \old(waterLevel) == waterLevel) && tmp == waterLevel) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel + 1) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && \old(waterLevel) == waterLevel + 1) && tmp___0 == 0) && tmp == waterLevel)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((((((((((((((pumpRunning == 0 && 2 == waterLevel) && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || ((((((2 == waterLevel && methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || ((((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1)) || ((((((pumpRunning == 0 && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0 && waterLevel <= 1) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && pumpRunning == switchedOnBeforeTS) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1)) || ((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((!(1 == systemActive) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || (tmp == 0 && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(2 == waterLevel)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (tmp == 0 && pumpRunning == switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && ((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1))) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS)) || \old(switchedOnBeforeTS) == 0) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1) && pumpRunning == switchedOnBeforeTS) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 1)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((methaneLevelCritical == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || ((((2 == waterLevel && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1)) || ((((((pumpRunning == 0 && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && tmp == 1) && pumpRunning == switchedOnBeforeTS)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (((((((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || (((\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(pumpRunning) == 0) || (2 == waterLevel && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) && pumpRunning == switchedOnBeforeTS)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0) - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((((((((((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && !(0 == systemActive))) || !(methaneLevelCritical == 1))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || pumpRunning == switchedOnBeforeTS)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || ((pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && !(0 == systemActive))) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || (((\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && (((((!(\old(pumpRunning) == 0) || (2 == waterLevel && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && (\old(waterLevel) == waterLevel + 1 || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel))) && pumpRunning == switchedOnBeforeTS)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0) RESULT: Ultimate proved your program to be correct! [2022-11-23 15:56:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ee5983-0ebc-48a9-9f71-b11061164ceb/bin/utaipan-Q6hlc19bkW/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