./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/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_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/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_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 --- 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 16:01:07,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:01:07,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:01:07,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:01:07,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:01:07,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:01:07,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:01:07,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:01:07,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:01:07,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:01:07,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:01:07,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:01:07,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:01:07,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:01:07,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:01:07,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:01:07,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:01:07,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:01:07,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:01:07,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:01:07,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:01:07,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:01:07,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:01:07,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:01:07,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:01:07,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:01:07,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:01:07,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:01:07,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:01:07,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:01:07,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:01:07,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:01:07,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:01:07,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:01:07,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:01:07,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:01:07,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:01:07,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:01:07,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:01:07,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:01:07,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:01:07,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 16:01:07,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:01:07,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:01:07,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:01:07,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:01:07,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:01:07,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:01:07,795 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:01:07,796 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:01:07,796 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:01:07,796 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:01:07,797 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:01:07,797 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:01:07,797 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:01:07,797 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:01:07,798 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:01:07,798 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:01:07,798 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:01:07,798 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:01:07,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:01:07,800 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:01:07,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:01:07,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:01:07,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:01:07,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:01:07,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:01:07,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:01:07,801 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:01:07,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:01:07,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:01:07,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:01:07,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:01:07,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:01:07,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:01:07,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:01:07,802 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:01:07,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:01:07,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:01:07,803 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:01:07,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:01:07,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:01:07,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:01:07,804 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_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2022-11-23 16:01:08,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:01:08,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:01:08,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:01:08,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:01:08,079 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:01:08,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-11-23 16:01:11,122 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:01:11,403 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:01:11,404 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-11-23 16:01:11,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/data/ce6182596/594befa4dcc04226b14d6e5817bce510/FLAGa500997a2 [2022-11-23 16:01:11,429 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/data/ce6182596/594befa4dcc04226b14d6e5817bce510 [2022-11-23 16:01:11,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:01:11,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:01:11,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:01:11,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:01:11,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:01:11,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:11,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b77e6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11, skipping insertion in model container [2022-11-23 16:01:11,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:11,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:01:11,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:01:11,668 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_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-11-23 16:01:11,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:01:11,798 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:01:11,825 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_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-11-23 16:01:11,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:01:11,925 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:01:11,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11 WrapperNode [2022-11-23 16:01:11,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:01:11,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:01:11,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:01:11,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:01:11,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:11,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:11,994 INFO L138 Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 223 [2022-11-23 16:01:12,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:01:12,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:01:12,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:01:12,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:01:12,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:01:12,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:01:12,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:01:12,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:01:12,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (1/1) ... [2022-11-23 16:01:12,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:01:12,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:01:12,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:01:12,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:01:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:01:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 16:01:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 16:01:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 16:01:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 16:01:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-23 16:01:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-23 16:01:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 16:01:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 16:01:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 16:01:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 16:01:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 16:01:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 16:01:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-23 16:01:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-23 16:01:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:01:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 16:01:12,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 16:01:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:01:12,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:01:12,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:01:12,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:01:12,561 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:01:12,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:01:12,750 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 16:01:12,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:12 BoogieIcfgContainer [2022-11-23 16:01:12,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:01:12,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:01:12,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:01:12,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:01:12,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:01:11" (1/3) ... [2022-11-23 16:01:12,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75440771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:12, skipping insertion in model container [2022-11-23 16:01:12,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:11" (2/3) ... [2022-11-23 16:01:12,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75440771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:12, skipping insertion in model container [2022-11-23 16:01:12,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:12" (3/3) ... [2022-11-23 16:01:12,763 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2022-11-23 16:01:12,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:01:12,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 16:01:12,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:01:12,847 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;@3fd1b76e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:01:12,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 16:01:12,852 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 16:01:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 16:01:12,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:12,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:12,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:12,869 INFO L85 PathProgramCache]: Analyzing trace with hash -294393006, now seen corresponding path program 1 times [2022-11-23 16:01:12,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:12,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593953228] [2022-11-23 16:01:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:01:13,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:13,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593953228] [2022-11-23 16:01:13,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593953228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:13,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:01:13,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:01:13,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263657489] [2022-11-23 16:01:13,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:13,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 16:01:13,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:13,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 16:01:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:01:13,096 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:13,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:13,172 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2022-11-23 16:01:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 16:01:13,175 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 16:01:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:13,185 INFO L225 Difference]: With dead ends: 130 [2022-11-23 16:01:13,185 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 16:01:13,189 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 16:01:13,193 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:13,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:01:13,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 16:01:13,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 16:01:13,241 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 16:01:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2022-11-23 16:01:13,246 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 17 [2022-11-23 16:01:13,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:13,246 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2022-11-23 16:01:13,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-23 16:01:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 16:01:13,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:13,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:13,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:01:13,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:13,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:13,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1476513627, now seen corresponding path program 1 times [2022-11-23 16:01:13,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:13,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387028067] [2022-11-23 16:01:13,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:13,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:01:13,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:13,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387028067] [2022-11-23 16:01:13,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387028067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:13,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:01:13,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:01:13,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578397395] [2022-11-23 16:01:13,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:13,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:01:13,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:13,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:01:13,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:01:13,359 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:13,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:13,426 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2022-11-23 16:01:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:01:13,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-23 16:01:13,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:13,428 INFO L225 Difference]: With dead ends: 94 [2022-11-23 16:01:13,428 INFO L226 Difference]: Without dead ends: 53 [2022-11-23 16:01:13,429 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 16:01:13,431 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:13,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 16:01:13,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-23 16:01:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-23 16:01:13,439 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 16:01:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-23 16:01:13,441 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 18 [2022-11-23 16:01:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:13,441 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-23 16:01:13,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-23 16:01:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 16:01:13,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:13,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:13,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:01:13,452 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:13,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:13,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1682934920, now seen corresponding path program 1 times [2022-11-23 16:01:13,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:13,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147092593] [2022-11-23 16:01:13,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:13,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:01:13,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:13,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147092593] [2022-11-23 16:01:13,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147092593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:13,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:01:13,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:01:13,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435142708] [2022-11-23 16:01:13,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:13,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:01:13,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:13,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:01:13,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:01:13,565 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:13,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:13,634 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2022-11-23 16:01:13,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:01:13,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-23 16:01:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:13,637 INFO L225 Difference]: With dead ends: 155 [2022-11-23 16:01:13,637 INFO L226 Difference]: Without dead ends: 104 [2022-11-23 16:01:13,638 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 16:01:13,639 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 56 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:13,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 128 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:01:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-23 16:01:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-23 16:01:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.390625) internal successors, (89), 79 states have internal predecessors, (89), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-23 16:01:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2022-11-23 16:01:13,662 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 21 [2022-11-23 16:01:13,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:13,662 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2022-11-23 16:01:13,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2022-11-23 16:01:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 16:01:13,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:13,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:13,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 16:01:13,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:13,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:13,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1949785870, now seen corresponding path program 1 times [2022-11-23 16:01:13,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:13,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165935641] [2022-11-23 16:01:13,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:13,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:01:13,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:13,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165935641] [2022-11-23 16:01:13,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165935641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:13,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:01:13,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:01:13,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188007960] [2022-11-23 16:01:13,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:13,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:01:13,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:13,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:01:13,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:01:13,865 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:14,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:14,034 INFO L93 Difference]: Finished difference Result 278 states and 375 transitions. [2022-11-23 16:01:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 16:01:14,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-23 16:01:14,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:14,042 INFO L225 Difference]: With dead ends: 278 [2022-11-23 16:01:14,046 INFO L226 Difference]: Without dead ends: 179 [2022-11-23 16:01:14,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:01:14,048 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 39 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:14,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 165 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 16:01:14,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-23 16:01:14,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 170. [2022-11-23 16:01:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 128 states have internal predecessors, (149), 30 states have call successors, (30), 26 states have call predecessors, (30), 26 states have return successors, (38), 27 states have call predecessors, (38), 30 states have call successors, (38) [2022-11-23 16:01:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2022-11-23 16:01:14,078 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 24 [2022-11-23 16:01:14,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:14,078 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2022-11-23 16:01:14,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:01:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2022-11-23 16:01:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 16:01:14,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:14,080 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 16:01:14,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 16:01:14,081 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:14,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash 906199045, now seen corresponding path program 1 times [2022-11-23 16:01:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:14,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040862971] [2022-11-23 16:01:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:14,244 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 16:01:14,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:14,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040862971] [2022-11-23 16:01:14,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040862971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:14,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:01:14,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:01:14,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892884639] [2022-11-23 16:01:14,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:14,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:01:14,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:14,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:01:14,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:01:14,247 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 16:01:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:14,316 INFO L93 Difference]: Finished difference Result 301 states and 394 transitions. [2022-11-23 16:01:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:01:14,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 33 [2022-11-23 16:01:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:14,320 INFO L225 Difference]: With dead ends: 301 [2022-11-23 16:01:14,320 INFO L226 Difference]: Without dead ends: 299 [2022-11-23 16:01:14,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:01:14,322 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 45 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:14,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 117 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:01:14,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-11-23 16:01:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 293. [2022-11-23 16:01:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 218 states have internal predecessors, (251), 55 states have call successors, (55), 47 states have call predecessors, (55), 46 states have return successors, (77), 46 states have call predecessors, (77), 55 states have call successors, (77) [2022-11-23 16:01:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 383 transitions. [2022-11-23 16:01:14,397 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 383 transitions. Word has length 33 [2022-11-23 16:01:14,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:14,400 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 383 transitions. [2022-11-23 16:01:14,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 16:01:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 383 transitions. [2022-11-23 16:01:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 16:01:14,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:14,410 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:14,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 16:01:14,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:14,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:14,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1137865473, now seen corresponding path program 1 times [2022-11-23 16:01:14,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:14,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416237641] [2022-11-23 16:01:14,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 16:01:14,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:14,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416237641] [2022-11-23 16:01:14,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416237641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:14,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:01:14,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:01:14,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889857741] [2022-11-23 16:01:14,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:14,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:01:14,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:14,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:01:14,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:01:14,519 INFO L87 Difference]: Start difference. First operand 293 states and 383 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-23 16:01:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:14,704 INFO L93 Difference]: Finished difference Result 333 states and 436 transitions. [2022-11-23 16:01:14,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 16:01:14,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2022-11-23 16:01:14,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:14,711 INFO L225 Difference]: With dead ends: 333 [2022-11-23 16:01:14,711 INFO L226 Difference]: Without dead ends: 141 [2022-11-23 16:01:14,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:01:14,721 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 87 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:14,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 124 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 16:01:14,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-23 16:01:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-11-23 16:01:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 92 states have (on average 1.25) internal successors, (115), 104 states have internal predecessors, (115), 25 states have call successors, (25), 23 states have call predecessors, (25), 23 states have return successors, (35), 22 states have call predecessors, (35), 25 states have call successors, (35) [2022-11-23 16:01:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 175 transitions. [2022-11-23 16:01:14,752 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 175 transitions. Word has length 56 [2022-11-23 16:01:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:14,753 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 175 transitions. [2022-11-23 16:01:14,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-23 16:01:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 175 transitions. [2022-11-23 16:01:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 16:01:14,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:14,758 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, 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 16:01:14,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 16:01:14,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:14,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:14,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1543761492, now seen corresponding path program 1 times [2022-11-23 16:01:14,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:14,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058967985] [2022-11-23 16:01:14,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:14,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 16:01:15,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058967985] [2022-11-23 16:01:15,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058967985] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:01:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159782298] [2022-11-23 16:01:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:15,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:01:15,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:01:15,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:01:15,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 16:01:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:15,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-23 16:01:15,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:01:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 16:01:15,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:01:15,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159782298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:15,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 16:01:15,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2022-11-23 16:01:15,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68458675] [2022-11-23 16:01:15,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:15,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 16:01:15,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:15,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 16:01:15,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-11-23 16:01:15,960 INFO L87 Difference]: Start difference. First operand 141 states and 175 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-23 16:01:16,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:16,565 INFO L93 Difference]: Finished difference Result 380 states and 482 transitions. [2022-11-23 16:01:16,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 16:01:16,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 64 [2022-11-23 16:01:16,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:16,571 INFO L225 Difference]: With dead ends: 380 [2022-11-23 16:01:16,571 INFO L226 Difference]: Without dead ends: 241 [2022-11-23 16:01:16,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2022-11-23 16:01:16,574 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 239 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:16,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 189 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 16:01:16,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-11-23 16:01:16,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 192. [2022-11-23 16:01:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 141 states have internal predecessors, (162), 29 states have call successors, (29), 29 states have call predecessors, (29), 32 states have return successors, (47), 29 states have call predecessors, (47), 29 states have call successors, (47) [2022-11-23 16:01:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2022-11-23 16:01:16,621 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 64 [2022-11-23 16:01:16,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:16,621 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2022-11-23 16:01:16,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-23 16:01:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2022-11-23 16:01:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 16:01:16,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:16,624 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:16,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 16:01:16,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:01:16,836 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:16,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:16,837 INFO L85 PathProgramCache]: Analyzing trace with hash 609721716, now seen corresponding path program 1 times [2022-11-23 16:01:16,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:16,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912298780] [2022-11-23 16:01:16,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:16,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 16:01:17,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:17,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912298780] [2022-11-23 16:01:17,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912298780] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:01:17,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488806379] [2022-11-23 16:01:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:17,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:01:17,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:01:17,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:01:17,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 16:01:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:17,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-23 16:01:17,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:01:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 16:01:18,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:01:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 16:01:18,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488806379] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:01:18,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [845596550] [2022-11-23 16:01:18,676 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-23 16:01:18,677 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:01:18,680 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:01:18,686 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:01:18,686 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:01:21,747 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 116 for LOIs [2022-11-23 16:01:21,762 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 123 for LOIs [2022-11-23 16:01:23,206 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 121 for LOIs [2022-11-23 16:01:23,780 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 43 for LOIs [2022-11-23 16:01:23,786 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:01:36,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [845596550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:01:36,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:01:36,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [11, 11, 14] total 53 [2022-11-23 16:01:36,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188052819] [2022-11-23 16:01:36,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:01:36,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-23 16:01:36,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:01:36,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-23 16:01:36,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=2305, Unknown=0, NotChecked=0, Total=2756 [2022-11-23 16:01:36,529 INFO L87 Difference]: Start difference. First operand 192 states and 238 transitions. Second operand has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-23 16:01:47,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:47,966 INFO L93 Difference]: Finished difference Result 598 states and 748 transitions. [2022-11-23 16:01:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-23 16:01:47,967 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 67 [2022-11-23 16:01:47,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:47,969 INFO L225 Difference]: With dead ends: 598 [2022-11-23 16:01:47,969 INFO L226 Difference]: Without dead ends: 408 [2022-11-23 16:01:47,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 154 SyntacticMatches, 6 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2096 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=908, Invalid=4204, Unknown=0, NotChecked=0, Total=5112 [2022-11-23 16:01:47,972 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 195 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:47,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 297 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 16:01:47,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-23 16:01:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 378. [2022-11-23 16:01:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 260 states have (on average 1.2192307692307693) internal successors, (317), 276 states have internal predecessors, (317), 56 states have call successors, (56), 55 states have call predecessors, (56), 61 states have return successors, (86), 56 states have call predecessors, (86), 56 states have call successors, (86) [2022-11-23 16:01:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 459 transitions. [2022-11-23 16:01:48,050 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 459 transitions. Word has length 67 [2022-11-23 16:01:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:48,050 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 459 transitions. [2022-11-23 16:01:48,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-23 16:01:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 459 transitions. [2022-11-23 16:01:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 16:01:48,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:48,053 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:48,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 16:01:48,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:01:48,268 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:48,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:48,269 INFO L85 PathProgramCache]: Analyzing trace with hash 375713732, now seen corresponding path program 1 times [2022-11-23 16:01:48,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:48,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959458447] [2022-11-23 16:01:48,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:48,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 16:01:48,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:01:48,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959458447] [2022-11-23 16:01:48,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959458447] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:01:48,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100530701] [2022-11-23 16:01:48,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:48,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:01:48,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:01:48,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:01:48,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 16:01:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:48,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-23 16:01:48,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:01:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:01:49,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:01:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 16:01:49,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100530701] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:01:49,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2087605956] [2022-11-23 16:01:49,557 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-23 16:01:49,557 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:01:49,558 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:01:49,558 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:01:49,558 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:01:53,077 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 130 for LOIs [2022-11-23 16:01:53,098 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-23 16:01:53,265 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2022-11-23 16:01:53,647 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2022-11-23 16:01:53,657 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2022-11-23 16:01:53,665 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2022-11-23 16:01:53,667 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:02:00,786 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6758#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 16:02:00,787 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 16:02:00,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:02:00,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 25 [2022-11-23 16:02:00,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922588616] [2022-11-23 16:02:00,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 16:02:00,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 16:02:00,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:00,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 16:02:00,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=3066, Unknown=0, NotChecked=0, Total=3422 [2022-11-23 16:02:00,790 INFO L87 Difference]: Start difference. First operand 378 states and 459 transitions. Second operand has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) [2022-11-23 16:02:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:02:03,966 INFO L93 Difference]: Finished difference Result 1318 states and 1951 transitions. [2022-11-23 16:02:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-23 16:02:03,967 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) Word has length 70 [2022-11-23 16:02:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:02:03,974 INFO L225 Difference]: With dead ends: 1318 [2022-11-23 16:02:03,974 INFO L226 Difference]: Without dead ends: 1015 [2022-11-23 16:02:03,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 184 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3559 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=1118, Invalid=8782, Unknown=0, NotChecked=0, Total=9900 [2022-11-23 16:02:03,980 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 615 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 16:02:03,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 958 Invalid, 2089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1614 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 16:02:03,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2022-11-23 16:02:04,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 633. [2022-11-23 16:02:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 441 states have (on average 1.1927437641723355) internal successors, (526), 463 states have internal predecessors, (526), 93 states have call successors, (93), 87 states have call predecessors, (93), 98 states have return successors, (150), 96 states have call predecessors, (150), 93 states have call successors, (150) [2022-11-23 16:02:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 769 transitions. [2022-11-23 16:02:04,134 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 769 transitions. Word has length 70 [2022-11-23 16:02:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:02:04,136 INFO L495 AbstractCegarLoop]: Abstraction has 633 states and 769 transitions. [2022-11-23 16:02:04,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) [2022-11-23 16:02:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 769 transitions. [2022-11-23 16:02:04,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-23 16:02:04,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:02:04,139 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:02:04,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 16:02:04,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:04,346 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:02:04,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:02:04,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1340324960, now seen corresponding path program 1 times [2022-11-23 16:02:04,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:02:04,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67274381] [2022-11-23 16:02:04,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:04,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:02:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 16:02:04,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:02:04,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67274381] [2022-11-23 16:02:04,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67274381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:02:04,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:02:04,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:02:04,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289470382] [2022-11-23 16:02:04,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:02:04,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:02:04,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:04,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:02:04,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:02:04,456 INFO L87 Difference]: Start difference. First operand 633 states and 769 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 16:02:04,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:02:04,653 INFO L93 Difference]: Finished difference Result 1100 states and 1400 transitions. [2022-11-23 16:02:04,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 16:02:04,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-11-23 16:02:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:02:04,657 INFO L225 Difference]: With dead ends: 1100 [2022-11-23 16:02:04,657 INFO L226 Difference]: Without dead ends: 576 [2022-11-23 16:02:04,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:02:04,660 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 38 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:02:04,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 164 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 16:02:04,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2022-11-23 16:02:04,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 568. [2022-11-23 16:02:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 399 states have (on average 1.1804511278195489) internal successors, (471), 419 states have internal predecessors, (471), 83 states have call successors, (83), 81 states have call predecessors, (83), 85 states have return successors, (116), 82 states have call predecessors, (116), 83 states have call successors, (116) [2022-11-23 16:02:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 670 transitions. [2022-11-23 16:02:04,772 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 670 transitions. Word has length 71 [2022-11-23 16:02:04,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:02:04,772 INFO L495 AbstractCegarLoop]: Abstraction has 568 states and 670 transitions. [2022-11-23 16:02:04,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 16:02:04,772 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 670 transitions. [2022-11-23 16:02:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-23 16:02:04,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:02:04,775 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-23 16:02:04,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 16:02:04,776 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:02:04,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:02:04,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1072544835, now seen corresponding path program 1 times [2022-11-23 16:02:04,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:02:04,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778631853] [2022-11-23 16:02:04,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:04,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:02:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 16:02:05,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:02:05,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778631853] [2022-11-23 16:02:05,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778631853] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:02:05,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145429145] [2022-11-23 16:02:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:05,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:02:05,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:02:05,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 16:02:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:05,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-23 16:02:05,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:02:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 53 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 16:02:06,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:02:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 16:02:06,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145429145] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:02:06,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [309480353] [2022-11-23 16:02:06,765 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-23 16:02:06,765 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:02:06,766 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:02:06,766 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:02:06,766 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:02:09,567 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 45 for LOIs [2022-11-23 16:02:09,574 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-23 16:02:09,754 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2022-11-23 16:02:10,123 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2022-11-23 16:02:10,133 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2022-11-23 16:02:10,140 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2022-11-23 16:02:10,142 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:02:15,072 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12843#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 16:02:15,072 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 16:02:15,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:02:15,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 15] total 36 [2022-11-23 16:02:15,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581380705] [2022-11-23 16:02:15,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 16:02:15,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-23 16:02:15,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:15,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-23 16:02:15,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=4001, Unknown=0, NotChecked=0, Total=4556 [2022-11-23 16:02:15,075 INFO L87 Difference]: Start difference. First operand 568 states and 670 transitions. Second operand has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (31), 14 states have call predecessors, (31), 13 states have return successors, (29), 13 states have call predecessors, (29), 16 states have call successors, (29) [2022-11-23 16:02:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:02:18,085 INFO L93 Difference]: Finished difference Result 1909 states and 2308 transitions. [2022-11-23 16:02:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 16:02:18,086 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (31), 14 states have call predecessors, (31), 13 states have return successors, (29), 13 states have call predecessors, (29), 16 states have call successors, (29) Word has length 99 [2022-11-23 16:02:18,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:02:18,093 INFO L225 Difference]: With dead ends: 1909 [2022-11-23 16:02:18,093 INFO L226 Difference]: Without dead ends: 1416 [2022-11-23 16:02:18,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 241 SyntacticMatches, 11 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4625 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=1406, Invalid=9306, Unknown=0, NotChecked=0, Total=10712 [2022-11-23 16:02:18,098 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 1100 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:02:18,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1101 Valid, 787 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 16:02:18,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-11-23 16:02:18,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1254. [2022-11-23 16:02:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 896 states have (on average 1.1841517857142858) internal successors, (1061), 938 states have internal predecessors, (1061), 183 states have call successors, (183), 160 states have call predecessors, (183), 174 states have return successors, (248), 173 states have call predecessors, (248), 183 states have call successors, (248) [2022-11-23 16:02:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1492 transitions. [2022-11-23 16:02:18,353 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1492 transitions. Word has length 99 [2022-11-23 16:02:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:02:18,354 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 1492 transitions. [2022-11-23 16:02:18,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (31), 14 states have call predecessors, (31), 13 states have return successors, (29), 13 states have call predecessors, (29), 16 states have call successors, (29) [2022-11-23 16:02:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1492 transitions. [2022-11-23 16:02:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-23 16:02:18,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:02:18,358 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-23 16:02:18,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 16:02:18,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:18,565 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:02:18,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:02:18,566 INFO L85 PathProgramCache]: Analyzing trace with hash -517121657, now seen corresponding path program 1 times [2022-11-23 16:02:18,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:02:18,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781704629] [2022-11-23 16:02:18,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:18,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:02:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 92 proven. 90 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-23 16:02:19,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:02:19,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781704629] [2022-11-23 16:02:19,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781704629] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:02:19,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163759459] [2022-11-23 16:02:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:19,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:19,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:02:19,623 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:02:19,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 16:02:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:19,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-23 16:02:19,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:02:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 147 proven. 74 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-23 16:02:20,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:02:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 116 proven. 67 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-23 16:02:21,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163759459] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:02:21,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1887631725] [2022-11-23 16:02:21,516 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-23 16:02:21,516 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:02:21,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:02:21,517 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:02:21,517 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:02:24,516 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 125 for LOIs [2022-11-23 16:02:24,530 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-23 16:02:24,751 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2022-11-23 16:02:25,084 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2022-11-23 16:02:25,094 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2022-11-23 16:02:25,101 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2022-11-23 16:02:25,104 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 31 for LOIs [2022-11-23 16:02:25,106 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:02:32,773 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18599#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 16:02:32,773 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 16:02:32,773 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:02:32,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 17] total 45 [2022-11-23 16:02:32,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469776053] [2022-11-23 16:02:32,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 16:02:32,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-23 16:02:32,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:32,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-23 16:02:32,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=751, Invalid=5891, Unknown=0, NotChecked=0, Total=6642 [2022-11-23 16:02:32,777 INFO L87 Difference]: Start difference. First operand 1254 states and 1492 transitions. Second operand has 45 states, 42 states have (on average 4.880952380952381) internal successors, (205), 41 states have internal predecessors, (205), 27 states have call successors, (47), 12 states have call predecessors, (47), 17 states have return successors, (48), 21 states have call predecessors, (48), 27 states have call successors, (48) [2022-11-23 16:02:34,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:02:34,086 INFO L93 Difference]: Finished difference Result 1794 states and 2166 transitions. [2022-11-23 16:02:34,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 16:02:34,087 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 42 states have (on average 4.880952380952381) internal successors, (205), 41 states have internal predecessors, (205), 27 states have call successors, (47), 12 states have call predecessors, (47), 17 states have return successors, (48), 21 states have call predecessors, (48), 27 states have call successors, (48) Word has length 156 [2022-11-23 16:02:34,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:02:34,088 INFO L225 Difference]: With dead ends: 1794 [2022-11-23 16:02:34,088 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 16:02:34,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 407 SyntacticMatches, 6 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4597 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=1234, Invalid=8272, Unknown=0, NotChecked=0, Total=9506 [2022-11-23 16:02:34,096 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 470 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:02:34,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 465 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 16:02:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 16:02:34,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 16:02:34,097 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 16:02:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 16:02:34,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2022-11-23 16:02:34,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:02:34,098 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 16:02:34,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 42 states have (on average 4.880952380952381) internal successors, (205), 41 states have internal predecessors, (205), 27 states have call successors, (47), 12 states have call predecessors, (47), 17 states have return successors, (48), 21 states have call predecessors, (48), 27 states have call successors, (48) [2022-11-23 16:02:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 16:02:34,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 16:02:34,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 16:02:34,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 16:02:34,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 16:02:34,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 16:03:00,948 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1))) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2022-11-23 16:03:00,949 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-11-23 16:03:00,949 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 98 104) no Hoare annotation was computed. [2022-11-23 16:03:00,949 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 98 104) the Hoare annotation is: true [2022-11-23 16:03:00,950 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 938 949) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 1)))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~pumpRunning~0 0)) (not (< 0 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3 .cse4))) [2022-11-23 16:03:00,950 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 938 949) no Hoare annotation was computed. [2022-11-23 16:03:00,950 INFO L902 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2022-11-23 16:03:00,950 INFO L899 garLoopResultBuilder]: For program point L417-1(line 417) no Hoare annotation was computed. [2022-11-23 16:03:00,950 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 411 440) no Hoare annotation was computed. [2022-11-23 16:03:00,950 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 411 440) the Hoare annotation is: true [2022-11-23 16:03:00,950 INFO L902 garLoopResultBuilder]: At program point L436(lines 411 440) the Hoare annotation is: true [2022-11-23 16:03:00,951 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-11-23 16:03:00,951 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2022-11-23 16:03:00,951 INFO L902 garLoopResultBuilder]: At program point L425-1(lines 425 429) the Hoare annotation is: true [2022-11-23 16:03:00,951 INFO L902 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: true [2022-11-23 16:03:00,951 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 950 958) the Hoare annotation is: true [2022-11-23 16:03:00,951 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 950 958) no Hoare annotation was computed. [2022-11-23 16:03:00,952 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-11-23 16:03:00,952 INFO L895 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (not (< 0 ~waterLevel~0)) .cse6) (and (= ~pumpRunning~0 0) .cse6)))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 2))) (or .cse5 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (and .cse3 .cse4 (= ~waterLevel~0 1))) (or .cse5 (not (= 0 ~systemActive~0))))) [2022-11-23 16:03:00,953 INFO L895 garLoopResultBuilder]: At program point L151-1(lines 132 156) the Hoare annotation is: (let ((.cse22 (= ~methaneLevelCritical~0 1)) (.cse26 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse25 (not .cse26)) (.cse24 (not .cse22))) (let ((.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse18 (and .cse25 .cse24)) (.cse20 (= ~waterLevel~0 1)) (.cse19 (= ~pumpRunning~0 0)) (.cse0 (and (<= ~methAndRunningLastTime~0 0) (<= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 0 ~head~0.base))) (.cse3 (not (<= 0 |#NULL.offset|))) (.cse4 (not (<= ~cleanupTimeShifts~0 4))) (.cse17 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (<= ~head~0.base 0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse8 (not (<= ~head~0.offset 0))) (.cse21 (and (or .cse2 .cse26) (or .cse25 (not (= |old(~pumpRunning~0)| 1))))) (.cse9 (not (<= 4 ~cleanupTimeShifts~0))) (.cse10 (not (<= ~methaneLevelCritical~0 0))) (.cse11 (not (<= |#NULL.offset| 0))) (.cse12 (not (<= 0 ~methaneLevelCritical~0))) (.cse13 (not (<= 0 |#NULL.base|))) (.cse23 (not (= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 0 |#StackHeapBarrier|))) (.cse15 (not (<= 0 ~head~0.offset))) (.cse16 (not (<= |#NULL.base| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (not (<= |old(~methAndRunningLastTime~0)| 0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (or .cse2 .cse17 .cse6 .cse18 .cse7 (and .cse19 .cse20)) (or .cse17 .cse18 .cse7 .cse21 .cse22 .cse23 .cse20) (or .cse17 .cse18 .cse7 (and .cse2 (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse19 .cse20) .cse23 (and (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse24) (or (and .cse19 .cse25) (and .cse26 (= ~pumpRunning~0 1))))) (or .cse0 .cse1 .cse3 .cse4 .cse17 .cse5 .cse7 .cse8 .cse21 .cse9 .cse10 .cse11 .cse12 .cse13 .cse23 .cse14 .cse15 .cse16) (or .cse2 (not (= 0 ~systemActive~0))))))) [2022-11-23 16:03:00,953 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-11-23 16:03:00,953 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 77 96) no Hoare annotation was computed. [2022-11-23 16:03:00,953 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2022-11-23 16:03:00,954 INFO L895 garLoopResultBuilder]: At program point L136(lines 136 153) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (or (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (and (not .cse4) (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) (or .cse5 (and .cse4 .cse3 (= ~waterLevel~0 1)) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse5 (not (= 0 ~systemActive~0))))) [2022-11-23 16:03:00,954 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2022-11-23 16:03:00,955 INFO L895 garLoopResultBuilder]: At program point L388(lines 388 405) the Hoare annotation is: (let ((.cse30 (= ~methaneLevelCritical~0 0)) (.cse22 (= ~methaneLevelCritical~0 1))) (let ((.cse24 (= ~pumpRunning~0 0)) (.cse21 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0)) (.cse25 (= 1 ~systemActive~0)) (.cse29 (not .cse22)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse28 (not .cse30))) (let ((.cse20 (= ~waterLevel~0 1)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and (<= ~methAndRunningLastTime~0 0) (<= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 0 ~head~0.base))) (.cse3 (not (<= 0 |#NULL.offset|))) (.cse4 (not (<= ~cleanupTimeShifts~0 4))) (.cse5 (not (<= ~head~0.base 0))) (.cse8 (not (<= ~head~0.offset 0))) (.cse19 (and (or .cse2 .cse30) (or .cse28 (not (= |old(~pumpRunning~0)| 1))))) (.cse9 (not (<= 4 ~cleanupTimeShifts~0))) (.cse10 (not (<= ~methaneLevelCritical~0 0))) (.cse11 (not (<= |#NULL.offset| 0))) (.cse12 (not (<= 0 ~methaneLevelCritical~0))) (.cse13 (not (<= 0 |#NULL.base|))) (.cse23 (not (= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 0 |#StackHeapBarrier|))) (.cse15 (not (<= 0 ~head~0.offset))) (.cse16 (not (<= |#NULL.base| 0))) (.cse17 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse18 (and .cse28 .cse29)) (.cse7 (not .cse25)) (.cse26 (and (= ~methAndRunningLastTime~0 0) (= 2 ~waterLevel~0) (or .cse30 .cse22) .cse25 (= |old(~waterLevel~0)| ~waterLevel~0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse29) (or (and .cse24 .cse28) (and .cse30 (= ~pumpRunning~0 1))) .cse21))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (not (<= |old(~methAndRunningLastTime~0)| 0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (or .cse17 .cse18 .cse7 .cse19 (and .cse20 .cse21) .cse22 .cse23) (or .cse2 (and .cse24 .cse25 .cse20) .cse17 .cse6 .cse18 .cse7) (or .cse2 .cse24 (not (= 0 ~systemActive~0))) (or .cse17 .cse18 .cse7 (and (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse24 .cse25 .cse20) .cse26 .cse23) (let ((.cse27 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse2 (not (= (select .cse27 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) .cse17 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) .cse6 .cse7 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse28 (not (= (select .cse27 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (and (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0) (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1|)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or .cse2 .cse17 .cse6 .cse7 .cse29 .cse21) (or .cse0 .cse1 .cse3 .cse4 .cse17 .cse5 .cse7 .cse8 .cse19 .cse9 .cse10 .cse11 .cse12 .cse13 .cse23 .cse14 .cse15 .cse16) (or .cse2 .cse17 .cse18 .cse7 (< |old(~waterLevel~0)| 2) .cse26 (not (<= |old(~waterLevel~0)| 2))))))) [2022-11-23 16:03:00,959 INFO L895 garLoopResultBuilder]: At program point L388-1(lines 380 408) the Hoare annotation is: (let ((.cse12 (= ~methaneLevelCritical~0 1))) (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse15 (not .cse12))) (let ((.cse8 (= ~waterLevel~0 1)) (.cse11 (and .cse7 .cse15)) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 1 ~systemActive~0))) (.cse14 (or (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0) (= ~pumpRunning~0 |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|))) (.cse9 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0))) (and (or .cse0 (not (= 0 ~systemActive~0)) (and .cse1 .cse2)) (let ((.cse3 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse3 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) .cse4 (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) .cse5 .cse6 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse7 (not (= (select .cse3 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (and (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0) (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1|)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or .cse4 .cse6 (and .cse8 .cse9) .cse7 (not (= |old(~pumpRunning~0)| 1)) .cse10) (or .cse0 (and .cse1 .cse2 .cse8) .cse4 .cse5 .cse11 .cse6) (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse1 .cse2 .cse8) .cse4 .cse11 .cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse12 .cse13 .cse14 .cse9) .cse10 (and .cse2 .cse15 .cse13 .cse9 (= ~pumpRunning~0 1)))) (or .cse0 .cse4 .cse5 .cse6 .cse15 (and .cse14 .cse9)))))) [2022-11-23 16:03:00,959 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= 0 ~systemActive~0))))) [2022-11-23 16:03:00,960 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2022-11-23 16:03:00,960 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= 0 ~systemActive~0))))) [2022-11-23 16:03:00,960 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 97) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 (and .cse1 .cse4 (= ~waterLevel~0 1)) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 .cse5 .cse6 (not (= |old(~waterLevel~0)| 2))))) [2022-11-23 16:03:00,960 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or (and (<= ~methAndRunningLastTime~0 0) (<= 0 ~methAndRunningLastTime~0)) (not (<= 0 ~head~0.base)) (not (<= 0 |#NULL.offset|)) (not (<= ~cleanupTimeShifts~0 4)) .cse1 (not (<= ~head~0.base 0)) .cse3 (not (<= ~head~0.offset 0)) (not (<= 4 ~cleanupTimeShifts~0)) (not (= |old(~pumpRunning~0)| 1)) (not (<= ~methaneLevelCritical~0 0)) (not (<= |#NULL.offset| 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (<= 0 |#NULL.base|)) .cse4 (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 ~head~0.offset)) (not (<= |#NULL.base| 0))) (or .cse1 .cse2 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= |timeShift_processEnvironment_~tmp~1#1| 1) (= ~waterLevel~0 1)) .cse4) (or .cse0 (not (= 0 ~systemActive~0))))) [2022-11-23 16:03:00,961 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 97) no Hoare annotation was computed. [2022-11-23 16:03:00,961 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-23 16:03:00,961 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse24 (= ~methaneLevelCritical~0 1)) (.cse28 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse27 (not .cse28)) (.cse26 (not .cse24))) (let ((.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse18 (not (= 0 ~systemActive~0))) (.cse20 (and .cse27 .cse26)) (.cse21 (= ~waterLevel~0 1)) (.cse22 (= ~methAndRunningLastTime~0 0)) (.cse17 (= ~pumpRunning~0 0)) (.cse0 (and (<= ~methAndRunningLastTime~0 0) (<= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 0 ~head~0.base))) (.cse3 (not (<= 0 |#NULL.offset|))) (.cse4 (not (<= ~cleanupTimeShifts~0 4))) (.cse19 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (<= ~head~0.base 0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse8 (not (<= ~head~0.offset 0))) (.cse23 (and (or .cse2 .cse28) (or .cse27 (not (= |old(~pumpRunning~0)| 1))))) (.cse9 (not (<= 4 ~cleanupTimeShifts~0))) (.cse10 (not (<= ~methaneLevelCritical~0 0))) (.cse11 (not (<= |#NULL.offset| 0))) (.cse12 (not (<= 0 ~methaneLevelCritical~0))) (.cse13 (not (<= 0 |#NULL.base|))) (.cse25 (not (= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 0 |#StackHeapBarrier|))) (.cse15 (not (<= 0 ~head~0.offset))) (.cse16 (not (<= |#NULL.base| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (not (<= |old(~methAndRunningLastTime~0)| 0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (or .cse2 .cse17 .cse18) (or .cse2 .cse19 .cse6 .cse20 .cse7 (and .cse17 .cse21)) (or .cse2 .cse19 .cse22 .cse18) (or .cse19 .cse20 .cse7 .cse23 .cse24 .cse25 .cse21) (or .cse19 .cse20 .cse7 (and .cse2 (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse17 .cse21) .cse25 (and .cse22 (= |old(~waterLevel~0)| ~waterLevel~0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse26) (or (and .cse17 .cse27) (and .cse28 (= ~pumpRunning~0 1))))) (or .cse0 .cse1 .cse3 .cse4 .cse19 .cse5 .cse7 .cse8 .cse23 .cse9 .cse10 .cse11 .cse12 .cse13 .cse25 .cse14 .cse15 .cse16))))) [2022-11-23 16:03:00,961 INFO L895 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2022-11-23 16:03:00,962 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2022-11-23 16:03:00,962 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 16:03:00,962 INFO L895 garLoopResultBuilder]: At program point L350-2(lines 344 357) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse3 (= 0 ~systemActive~0)))) [2022-11-23 16:03:00,962 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-11-23 16:03:00,962 INFO L899 garLoopResultBuilder]: For program point L334-1(lines 334 340) no Hoare annotation was computed. [2022-11-23 16:03:00,962 INFO L895 garLoopResultBuilder]: At program point L359(lines 314 361) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (or (and .cse4 (not .cse5)) (and .cse5 (= ~pumpRunning~0 1)))) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse3 (= 0 ~systemActive~0))))) [2022-11-23 16:03:00,962 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (or (and .cse4 (not .cse5)) (and .cse5 (= ~pumpRunning~0 1)))) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse3 (= 0 ~systemActive~0))))) [2022-11-23 16:03:00,963 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-11-23 16:03:00,963 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 16:03:00,963 INFO L895 garLoopResultBuilder]: At program point L289-1(lines 289 295) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1))) [2022-11-23 16:03:00,963 INFO L895 garLoopResultBuilder]: At program point L496(lines 496 503) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~6#1| 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= |ULTIMATE.start_valid_product_~retValue_acc~6#1| |ULTIMATE.start_valid_product_#res#1|) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~7#1|) (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-11-23 16:03:00,963 INFO L902 garLoopResultBuilder]: At program point L496-2(lines 496 503) the Hoare annotation is: true [2022-11-23 16:03:00,963 INFO L899 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2022-11-23 16:03:00,964 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2022-11-23 16:03:00,964 INFO L895 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse1 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse3 (= 0 ~systemActive~0)))) [2022-11-23 16:03:00,964 INFO L902 garLoopResultBuilder]: At program point L365(lines 304 369) the Hoare annotation is: true [2022-11-23 16:03:00,964 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2022-11-23 16:03:00,964 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2022-11-23 16:03:00,964 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 16:03:00,965 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 106 130) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse4) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-23 16:03:00,966 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (and .cse6 (not (= ~methaneLevelCritical~0 1)))) (.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse3) (or .cse4 .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse3) (let ((.cse5 (select |#memory_int| 1))) (or .cse4 (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse5 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) .cse2 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse6 (not (= (select .cse5 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) .cse3 (not (= (select |#valid| 9) 1)) (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))))))) [2022-11-23 16:03:00,966 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2022-11-23 16:03:00,966 INFO L895 garLoopResultBuilder]: At program point L110(lines 110 127) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse4) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-23 16:03:00,966 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse3))) [2022-11-23 16:03:00,967 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 106 130) no Hoare annotation was computed. [2022-11-23 16:03:00,967 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 106 130) no Hoare annotation was computed. [2022-11-23 16:03:00,968 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse5 (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse4 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) .cse2 (not (= (select |#length| 15) 25)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse5 (not (= (select .cse4 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse6 (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) .cse7 (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) .cse3 (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 1)) .cse6 .cse7 .cse3)))) [2022-11-23 16:03:00,969 INFO L895 garLoopResultBuilder]: At program point L196-1(line 196) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (and .cse7 (not (= ~methaneLevelCritical~0 1)))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#t~ret7#1| ~methaneLevelCritical~0)) .cse5 .cse3) (let ((.cse6 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse6 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) .cse2 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse7 (not (= (select .cse6 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) .cse4 (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) .cse5 (not (= (select |#valid| 13) 1)) (and (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (<= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) .cse3 (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))))))) [2022-11-23 16:03:00,969 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 926 937) no Hoare annotation was computed. [2022-11-23 16:03:00,969 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 926 937) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not .cse1))) (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (and .cse2 (not (= ~methaneLevelCritical~0 1)))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (or .cse0 .cse1) (or .cse2 (not (= ~pumpRunning~0 1)))) .cse3 .cse4 (not (= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (= ~waterLevel~0 1) .cse5))))) [2022-11-23 16:03:00,973 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:03:00,975 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:03:01,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:03:01 BoogieIcfgContainer [2022-11-23 16:03:01,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:03:01,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:03:01,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:03:01,052 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:03:01,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:12" (3/4) ... [2022-11-23 16:03:01,055 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 16:03:01,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-23 16:03:01,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 16:03:01,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 16:03:01,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 16:03:01,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-23 16:03:01,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 16:03:01,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 16:03:01,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 16:03:01,077 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-23 16:03:01,077 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-23 16:03:01,078 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 16:03:01,078 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 16:03:01,079 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 16:03:01,109 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && retValue_acc == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && \result == tmp) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-23 16:03:01,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) [2022-11-23 16:03:01,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && ((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-23 16:03:01,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(\old(pumpRunning) == 0)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(head <= 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head <= 0)) || !(4 <= cleanupTimeShifts)) || !(\old(methAndRunningLastTime) <= 0)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0)) || !(0 <= \old(methAndRunningLastTime))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || methaneLevelCritical == 1) || !(\old(waterLevel) == 2)) || waterLevel == 1)) && (((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && waterLevel == 1)) || !(\old(waterLevel) == 2)) || (((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))))) && ((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(\old(methAndRunningLastTime) == 0)) || !(head <= 0)) || !(1 == systemActive)) || !(head <= 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(4 <= cleanupTimeShifts)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(\old(waterLevel) == 2)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-23 16:03:01,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || waterLevel < 2) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) [2022-11-23 16:03:01,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(\old(pumpRunning) == 0)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(head <= 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head <= 0)) || !(4 <= cleanupTimeShifts)) || !(\old(methAndRunningLastTime) <= 0)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0)) || !(0 <= \old(methAndRunningLastTime))) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || methaneLevelCritical == 1) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((tmp == 1 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((methAndRunningLastTime == 0 && 2 == waterLevel) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || (tmp <= 0 && 0 <= tmp)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || tmp == methaneLevelCritical)) && ((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(\old(methAndRunningLastTime) == 0)) || !(head <= 0)) || !(1 == systemActive)) || !(head <= 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(4 <= cleanupTimeShifts)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(\old(waterLevel) == 2)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || (((((((methAndRunningLastTime == 0 && 2 == waterLevel) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-23 16:03:01,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || (tmp <= 0 && 0 <= tmp)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (waterLevel == 1 && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((((((((((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel == 1) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2)) || ((((methAndRunningLastTime == 0 && !(methaneLevelCritical == 1)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((tmp___0 == 0 || pumpRunning == tmp___0) && tmp == methaneLevelCritical)) [2022-11-23 16:03:01,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) && ((((((!(\old(pumpRunning) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && tmp == 1) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical)) || waterLevel < 2) || !(methAndRunningLastTime == 0))) && (((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(waterLevel <= 2)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || waterLevel < 2) || !(\valid[13] == 1)) || ((((((((\result <= 1 && retValue_acc == tmp___0) && \result <= 0) && 1 <= \result) && \result == tmp) && 0 <= \result) && \result == retValue_acc) && 1 <= tmp___0) && tmp___0 <= 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(methAndRunningLastTime == 0)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-11-23 16:03:01,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && (((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-23 16:03:01,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 16:03:01,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:03:01,160 INFO L158 Benchmark]: Toolchain (without parser) took 109727.04ms. Allocated memory was 167.8MB in the beginning and 627.0MB in the end (delta: 459.3MB). Free memory was 134.4MB in the beginning and 237.3MB in the end (delta: -102.9MB). Peak memory consumption was 357.4MB. Max. memory is 16.1GB. [2022-11-23 16:03:01,161 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 55.8MB in the beginning and 55.6MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:03:01,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.13ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 115.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 16:03:01,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.49ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:03:01,162 INFO L158 Benchmark]: Boogie Preprocessor took 27.67ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:03:01,162 INFO L158 Benchmark]: RCFGBuilder took 718.99ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 111.4MB in the beginning and 173.7MB in the end (delta: -62.3MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2022-11-23 16:03:01,163 INFO L158 Benchmark]: TraceAbstraction took 108294.83ms. Allocated memory was 207.6MB in the beginning and 627.0MB in the end (delta: 419.4MB). Free memory was 173.7MB in the beginning and 243.6MB in the end (delta: -69.9MB). Peak memory consumption was 388.4MB. Max. memory is 16.1GB. [2022-11-23 16:03:01,164 INFO L158 Benchmark]: Witness Printer took 107.96ms. Allocated memory is still 627.0MB. Free memory was 243.6MB in the beginning and 237.3MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 16:03:01,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 55.8MB in the beginning and 55.6MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.13ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 115.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.49ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.67ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.99ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 111.4MB in the beginning and 173.7MB in the end (delta: -62.3MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 108294.83ms. Allocated memory was 207.6MB in the beginning and 627.0MB in the end (delta: 419.4MB). Free memory was 173.7MB in the beginning and 243.6MB in the end (delta: -69.9MB). Peak memory consumption was 388.4MB. Max. memory is 16.1GB. * Witness Printer took 107.96ms. Allocated memory is still 627.0MB. Free memory was 243.6MB in the beginning and 237.3MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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: 108.2s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2924 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2898 mSDsluCounter, 3556 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2731 mSDsCounter, 1554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5302 IncrementalHoareTripleChecker+Invalid, 6856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1554 mSolverCounterUnsat, 825 mSDtfsCounter, 5302 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1483 GetRequests, 1061 SyntacticMatches, 25 SemanticMatches, 397 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14938 ImplicationChecksByTransitivity, 47.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1254occurred in iteration=11, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 649 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 2224 PreInvPairs, 2467 NumberOfFragments, 4242 HoareAnnotationTreeSize, 2224 FomulaSimplifications, 35006 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 149380 FormulaSimplificationTreeSizeReductionInter, 21.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1152 NumberOfCodeBlocks, 1152 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1523 ConstructedInterpolants, 0 QuantifiedInterpolants, 5887 SizeOfPredicates, 56 NumberOfNonLiveVariables, 1955 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 960/1291 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 5.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 45, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME: 1.3s, TOOLS_POST_CALL_APPLICATIONS: 29, TOOLS_POST_CALL_TIME: 2.4s, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME: 0.9s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 105, TOOLS_QUANTIFIERELIM_TIME: 4.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 131, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 758, DAG_COMPRESSION_RETAINED_NODES: 141, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(\old(pumpRunning) == 0)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(head <= 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head <= 0)) || !(4 <= cleanupTimeShifts)) || !(\old(methAndRunningLastTime) <= 0)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0)) || !(0 <= \old(methAndRunningLastTime))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || methaneLevelCritical == 1) || !(\old(waterLevel) == 2)) || waterLevel == 1)) && (((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && waterLevel == 1)) || !(\old(waterLevel) == 2)) || (((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))))) && ((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(\old(methAndRunningLastTime) == 0)) || !(head <= 0)) || !(1 == systemActive)) || !(head <= 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(4 <= cleanupTimeShifts)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(\old(waterLevel) == 2)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && (((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || (tmp <= 0 && 0 <= tmp)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (waterLevel == 1 && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((((((((((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel == 1) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2)) || ((((methAndRunningLastTime == 0 && !(methaneLevelCritical == 1)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((tmp___0 == 0 || pumpRunning == tmp___0) && tmp == methaneLevelCritical)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && ((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || waterLevel < 2) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0 && 2 == waterLevel) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && splverifierCounter == 0) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(\old(pumpRunning) == 0)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(head <= 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head <= 0)) || !(4 <= cleanupTimeShifts)) || !(\old(methAndRunningLastTime) <= 0)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0)) || !(0 <= \old(methAndRunningLastTime))) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || methaneLevelCritical == 1) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((tmp == 1 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((methAndRunningLastTime == 0 && 2 == waterLevel) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methAndRunningLastTime) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || (tmp <= 0 && 0 <= tmp)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || tmp == methaneLevelCritical)) && ((((((((((((((((((methAndRunningLastTime <= 0 && 0 <= methAndRunningLastTime) || !(0 <= head)) || !(0 <= #NULL)) || !(cleanupTimeShifts <= 4)) || !(\old(methAndRunningLastTime) == 0)) || !(head <= 0)) || !(1 == systemActive)) || !(head <= 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(4 <= cleanupTimeShifts)) || !(methaneLevelCritical <= 0)) || !(#NULL <= 0)) || !(0 <= methaneLevelCritical)) || !(0 <= #NULL)) || !(\old(waterLevel) == 2)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= head)) || !(#NULL <= 0))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || (((((((methAndRunningLastTime == 0 && 2 == waterLevel) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && retValue_acc == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && \result == tmp) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) && ((((((!(\old(pumpRunning) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && tmp == 1) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical)) || waterLevel < 2) || !(methAndRunningLastTime == 0))) && (((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(waterLevel <= 2)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || waterLevel < 2) || !(\valid[13] == 1)) || ((((((((\result <= 1 && retValue_acc == tmp___0) && \result <= 0) && 1 <= \result) && \result == tmp) && 0 <= \result) && \result == retValue_acc) && 1 <= tmp___0) && tmp___0 <= 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(methAndRunningLastTime == 0)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) RESULT: Ultimate proved your program to be correct! [2022-11-23 16:03:01,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c133a0-da36-4cac-b33f-0d2ecc519e3c/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