./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.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_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/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_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/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_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/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 e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:24:25,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:24:25,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:24:25,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:24:25,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:24:25,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:24:25,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:24:25,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:24:25,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:24:25,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:24:25,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:24:25,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:24:25,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:24:25,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:24:25,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:24:25,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:24:25,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:24:25,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:24:25,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:24:25,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:24:25,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:24:25,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:24:25,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:24:25,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:24:25,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:24:25,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:24:25,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:24:25,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:24:25,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:24:25,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:24:25,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:24:25,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:24:25,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:24:25,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:24:25,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:24:25,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:24:25,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:24:25,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:24:25,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:24:25,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:24:25,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:24:25,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:24:25,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:24:25,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:24:25,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:24:25,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:24:25,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:24:25,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:24:25,919 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:24:25,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:24:25,920 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:24:25,920 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:24:25,921 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:24:25,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:24:25,922 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:24:25,922 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:24:25,922 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:24:25,923 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:24:25,923 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:24:25,923 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:24:25,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:24:25,925 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:24:25,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:24:25,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:24:25,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:24:25,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:24:25,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:24:25,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:24:25,927 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:24:25,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:24:25,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:24:25,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:24:25,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:24:25,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:24:25,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:24:25,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:24:25,930 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:24:25,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:24:25,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:24:25,930 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:24:25,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:24:25,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:24:25,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:24:25,933 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_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b [2022-11-23 15:24:26,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:24:26,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:24:26,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:24:26,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:24:26,234 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:24:26,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-11-23 15:24:29,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:24:29,614 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:24:29,615 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-11-23 15:24:29,631 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/data/b7f7a0096/90291ed6601e4e36975ee90936965b24/FLAG37eee3407 [2022-11-23 15:24:29,645 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/data/b7f7a0096/90291ed6601e4e36975ee90936965b24 [2022-11-23 15:24:29,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:24:29,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:24:29,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:24:29,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:24:29,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:24:29,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:29" (1/1) ... [2022-11-23 15:24:29,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a445dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:29, skipping insertion in model container [2022-11-23 15:24:29,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:29" (1/1) ... [2022-11-23 15:24:29,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:24:29,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:24:29,859 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_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2022-11-23 15:24:29,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:24:30,001 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:24:30,015 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_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2022-11-23 15:24:30,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:24:30,084 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:24:30,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30 WrapperNode [2022-11-23 15:24:30,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:24:30,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:24:30,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:24:30,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:24:30,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,131 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 225 [2022-11-23 15:24:30,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:24:30,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:24:30,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:24:30,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:24:30,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:24:30,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:24:30,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:24:30,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:24:30,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (1/1) ... [2022-11-23 15:24:30,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:24:30,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:30,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:24:30,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:24:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:24:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 15:24:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 15:24:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-23 15:24:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-23 15:24:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 15:24:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 15:24:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 15:24:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 15:24:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 15:24:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 15:24:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 15:24:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 15:24:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-23 15:24:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-23 15:24:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-23 15:24:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-23 15:24:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:24:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 15:24:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 15:24:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:24:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:24:30,373 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:24:30,376 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:24:30,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:24:30,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:24:30,923 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:24:30,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:30 BoogieIcfgContainer [2022-11-23 15:24:30,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:24:30,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:24:30,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:24:30,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:24:30,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:24:29" (1/3) ... [2022-11-23 15:24:30,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223d5d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:30, skipping insertion in model container [2022-11-23 15:24:30,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:30" (2/3) ... [2022-11-23 15:24:30,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223d5d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:30, skipping insertion in model container [2022-11-23 15:24:30,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:30" (3/3) ... [2022-11-23 15:24:30,948 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2022-11-23 15:24:30,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:24:30,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:24:31,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:24:31,049 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;@4ca96f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:24:31,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:24:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:24:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 15:24:31,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:31,070 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 15:24:31,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:31,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:31,078 INFO L85 PathProgramCache]: Analyzing trace with hash -345957679, now seen corresponding path program 1 times [2022-11-23 15:24:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:31,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167733391] [2022-11-23 15:24:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:31,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:31,324 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 15:24:31,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:31,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167733391] [2022-11-23 15:24:31,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167733391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:31,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:31,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:24:31,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274576671] [2022-11-23 15:24:31,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:31,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:24:31,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:31,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:24:31,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:24:31,382 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 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 15:24:31,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:31,501 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2022-11-23 15:24:31,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:24:31,504 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 15:24:31,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:31,513 INFO L225 Difference]: With dead ends: 136 [2022-11-23 15:24:31,513 INFO L226 Difference]: Without dead ends: 64 [2022-11-23 15:24:31,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:24:31,520 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:31,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:24:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-23 15:24:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-23 15:24:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 48 states have internal predecessors, (52), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 15:24:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2022-11-23 15:24:31,566 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 17 [2022-11-23 15:24:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:31,566 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2022-11-23 15:24:31,566 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 15:24:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-23 15:24:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:24:31,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:31,569 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 15:24:31,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:24:31,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:31,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2054920652, now seen corresponding path program 1 times [2022-11-23 15:24:31,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:31,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116311049] [2022-11-23 15:24:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:31,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:31,744 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 15:24:31,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:31,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116311049] [2022-11-23 15:24:31,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116311049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:31,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:31,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:31,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210258806] [2022-11-23 15:24:31,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:31,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:31,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:31,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:31,755 INFO L87 Difference]: Start difference. First operand 64 states and 83 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 15:24:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:31,837 INFO L93 Difference]: Finished difference Result 105 states and 137 transitions. [2022-11-23 15:24:31,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:31,838 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 15:24:31,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:31,840 INFO L225 Difference]: With dead ends: 105 [2022-11-23 15:24:31,840 INFO L226 Difference]: Without dead ends: 56 [2022-11-23 15:24:31,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:31,845 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 7 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:31,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 103 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:24:31,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-23 15:24:31,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-23 15:24:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 43 states have internal predecessors, (46), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 15:24:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2022-11-23 15:24:31,861 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 18 [2022-11-23 15:24:31,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:31,862 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions. [2022-11-23 15:24:31,862 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 15:24:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-11-23 15:24:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:24:31,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:31,863 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] [2022-11-23 15:24:31,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:24:31,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:31,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1947969008, now seen corresponding path program 1 times [2022-11-23 15:24:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:31,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292789691] [2022-11-23 15:24:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:31,970 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 15:24:31,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:31,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292789691] [2022-11-23 15:24:31,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292789691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:31,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:31,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:31,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358997391] [2022-11-23 15:24:31,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:31,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:31,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:31,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:31,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:31,973 INFO L87 Difference]: Start difference. First operand 56 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 15:24:32,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:32,037 INFO L93 Difference]: Finished difference Result 110 states and 143 transitions. [2022-11-23 15:24:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:32,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2022-11-23 15:24:32,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:32,042 INFO L225 Difference]: With dead ends: 110 [2022-11-23 15:24:32,042 INFO L226 Difference]: Without dead ends: 56 [2022-11-23 15:24:32,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:32,044 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:32,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 54 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:24:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-23 15:24:32,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-23 15:24:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 43 states have internal predecessors, (45), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 15:24:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-11-23 15:24:32,060 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 20 [2022-11-23 15:24:32,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:32,060 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-11-23 15:24:32,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 15:24:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-23 15:24:32,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 15:24:32,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:32,066 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] [2022-11-23 15:24:32,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:24:32,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:32,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:32,068 INFO L85 PathProgramCache]: Analyzing trace with hash -931900255, now seen corresponding path program 1 times [2022-11-23 15:24:32,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:32,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997167267] [2022-11-23 15:24:32,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:32,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:24:32,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:32,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997167267] [2022-11-23 15:24:32,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997167267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:32,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:32,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:32,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548954983] [2022-11-23 15:24:32,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:32,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:32,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:32,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:32,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:32,199 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:32,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:32,278 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2022-11-23 15:24:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:32,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-11-23 15:24:32,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:32,282 INFO L225 Difference]: With dead ends: 149 [2022-11-23 15:24:32,282 INFO L226 Difference]: Without dead ends: 95 [2022-11-23 15:24:32,283 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 15:24:32,284 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 43 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:32,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 118 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:24:32,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-23 15:24:32,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2022-11-23 15:24:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 68 states have internal predecessors, (76), 17 states have call successors, (17), 15 states have call predecessors, (17), 15 states have return successors, (23), 15 states have call predecessors, (23), 17 states have call successors, (23) [2022-11-23 15:24:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2022-11-23 15:24:32,301 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 30 [2022-11-23 15:24:32,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:32,301 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2022-11-23 15:24:32,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2022-11-23 15:24:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 15:24:32,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:32,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:32,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:24:32,303 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:32,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:32,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1202776850, now seen corresponding path program 1 times [2022-11-23 15:24:32,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:32,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986158116] [2022-11-23 15:24:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:32,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:32,437 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 15:24:32,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:32,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986158116] [2022-11-23 15:24:32,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986158116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:32,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:32,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:24:32,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664269731] [2022-11-23 15:24:32,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:32,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:24:32,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:24:32,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:24:32,440 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 15:24:32,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:32,622 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2022-11-23 15:24:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:24:32,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2022-11-23 15:24:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:32,624 INFO L225 Difference]: With dead ends: 188 [2022-11-23 15:24:32,624 INFO L226 Difference]: Without dead ends: 97 [2022-11-23 15:24:32,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:24:32,626 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 132 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:32,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 167 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:24:32,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-23 15:24:32,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2022-11-23 15:24:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.2) internal successors, (72), 68 states have internal predecessors, (72), 17 states have call successors, (17), 15 states have call predecessors, (17), 15 states have return successors, (22), 15 states have call predecessors, (22), 17 states have call successors, (22) [2022-11-23 15:24:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2022-11-23 15:24:32,641 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 33 [2022-11-23 15:24:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:32,642 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2022-11-23 15:24:32,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 15:24:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2022-11-23 15:24:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 15:24:32,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:32,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:32,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:24:32,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:32,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:32,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1715866396, now seen corresponding path program 1 times [2022-11-23 15:24:32,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:32,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101118305] [2022-11-23 15:24:32,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:32,824 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 15:24:32,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:32,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101118305] [2022-11-23 15:24:32,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101118305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:32,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:32,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:24:32,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247607625] [2022-11-23 15:24:32,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:32,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:24:32,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:32,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:24:32,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:24:32,827 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:24:33,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:33,033 INFO L93 Difference]: Finished difference Result 318 states and 394 transitions. [2022-11-23 15:24:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:24:33,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2022-11-23 15:24:33,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:33,045 INFO L225 Difference]: With dead ends: 318 [2022-11-23 15:24:33,045 INFO L226 Difference]: Without dead ends: 227 [2022-11-23 15:24:33,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:24:33,054 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 110 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:33,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 245 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:24:33,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-11-23 15:24:33,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 211. [2022-11-23 15:24:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 138 states have (on average 1.181159420289855) internal successors, (163), 152 states have internal predecessors, (163), 38 states have call successors, (38), 34 states have call predecessors, (38), 34 states have return successors, (51), 34 states have call predecessors, (51), 38 states have call successors, (51) [2022-11-23 15:24:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 252 transitions. [2022-11-23 15:24:33,158 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 252 transitions. Word has length 36 [2022-11-23 15:24:33,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:33,159 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 252 transitions. [2022-11-23 15:24:33,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:24:33,160 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 252 transitions. [2022-11-23 15:24:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-23 15:24:33,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:33,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:33,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:24:33,167 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:33,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:33,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1320289595, now seen corresponding path program 1 times [2022-11-23 15:24:33,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:33,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77166438] [2022-11-23 15:24:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:33,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:33,527 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 15:24:33,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:33,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77166438] [2022-11-23 15:24:33,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77166438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:33,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:33,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:24:33,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733459666] [2022-11-23 15:24:33,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:33,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:24:33,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:33,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:24:33,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:24:33,530 INFO L87 Difference]: Start difference. First operand 211 states and 252 transitions. Second operand has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:24:34,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:34,327 INFO L93 Difference]: Finished difference Result 486 states and 596 transitions. [2022-11-23 15:24:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:24:34,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) Word has length 39 [2022-11-23 15:24:34,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:34,333 INFO L225 Difference]: With dead ends: 486 [2022-11-23 15:24:34,334 INFO L226 Difference]: Without dead ends: 395 [2022-11-23 15:24:34,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:24:34,336 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 304 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:34,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 279 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:24:34,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-11-23 15:24:34,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 373. [2022-11-23 15:24:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 248 states have (on average 1.1975806451612903) internal successors, (297), 271 states have internal predecessors, (297), 67 states have call successors, (67), 55 states have call predecessors, (67), 57 states have return successors, (87), 61 states have call predecessors, (87), 67 states have call successors, (87) [2022-11-23 15:24:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 451 transitions. [2022-11-23 15:24:34,409 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 451 transitions. Word has length 39 [2022-11-23 15:24:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:34,410 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 451 transitions. [2022-11-23 15:24:34,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:24:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 451 transitions. [2022-11-23 15:24:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-23 15:24:34,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:34,412 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:34,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:24:34,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:34,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1181740351, now seen corresponding path program 1 times [2022-11-23 15:24:34,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:34,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340841712] [2022-11-23 15:24:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:34,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 15:24:35,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:35,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340841712] [2022-11-23 15:24:35,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340841712] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:35,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220020531] [2022-11-23 15:24:35,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:35,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:35,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:24:35,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:24:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:35,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-23 15:24:35,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:24:35,689 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 15:24:35,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:24:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 15:24:36,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220020531] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:24:36,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1218563823] [2022-11-23 15:24:36,185 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-23 15:24:36,185 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:24:36,189 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:24:36,194 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:24:36,194 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:24:38,686 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 114 for LOIs [2022-11-23 15:24:38,699 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 119 for LOIs [2022-11-23 15:24:39,321 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 119 for LOIs [2022-11-23 15:24:39,644 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 119 for LOIs [2022-11-23 15:24:39,810 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 112 for LOIs [2022-11-23 15:24:39,821 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:24:51,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1218563823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:51,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:24:51,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [14, 9, 8] total 47 [2022-11-23 15:24:51,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874880075] [2022-11-23 15:24:51,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:51,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-23 15:24:51,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:51,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-23 15:24:51,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1845, Unknown=0, NotChecked=0, Total=2162 [2022-11-23 15:24:51,830 INFO L87 Difference]: Start difference. First operand 373 states and 451 transitions. Second operand has 24 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-23 15:24:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:58,119 INFO L93 Difference]: Finished difference Result 765 states and 930 transitions. [2022-11-23 15:24:58,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-23 15:24:58,122 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 63 [2022-11-23 15:24:58,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:58,125 INFO L225 Difference]: With dead ends: 765 [2022-11-23 15:24:58,125 INFO L226 Difference]: Without dead ends: 464 [2022-11-23 15:24:58,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 145 SyntacticMatches, 12 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1442 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=471, Invalid=2609, Unknown=0, NotChecked=0, Total=3080 [2022-11-23 15:24:58,127 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 118 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:58,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 549 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:24:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2022-11-23 15:24:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 439. [2022-11-23 15:24:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 294 states have (on average 1.183673469387755) internal successors, (348), 318 states have internal predecessors, (348), 77 states have call successors, (77), 65 states have call predecessors, (77), 67 states have return successors, (97), 70 states have call predecessors, (97), 77 states have call successors, (97) [2022-11-23 15:24:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 522 transitions. [2022-11-23 15:24:58,205 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 522 transitions. Word has length 63 [2022-11-23 15:24:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:58,205 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 522 transitions. [2022-11-23 15:24:58,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-23 15:24:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 522 transitions. [2022-11-23 15:24:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 15:24:58,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:58,208 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:58,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:24:58,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 15:24:58,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:58,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:58,415 INFO L85 PathProgramCache]: Analyzing trace with hash -63369768, now seen corresponding path program 1 times [2022-11-23 15:24:58,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:58,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930166362] [2022-11-23 15:24:58,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:58,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 15:24:59,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:59,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930166362] [2022-11-23 15:24:59,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930166362] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:59,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810423823] [2022-11-23 15:24:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:59,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:59,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:59,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:24:59,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:24:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:59,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-23 15:24:59,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:24:59,544 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:24:59,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:25:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 15:25:00,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810423823] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:25:00,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1747512896] [2022-11-23 15:25:00,031 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-23 15:25:00,031 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:25:00,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:25:00,032 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:25:00,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:25:03,046 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 139 for LOIs [2022-11-23 15:25:03,071 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 28 for LOIs [2022-11-23 15:25:03,203 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 24 for LOIs [2022-11-23 15:25:03,240 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 24 for LOIs [2022-11-23 15:25:03,260 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 50 for LOIs [2022-11-23 15:25:03,271 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:25:08,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1747512896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:08,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:25:08,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [14, 12, 11] total 58 [2022-11-23 15:25:08,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122444551] [2022-11-23 15:25:08,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:08,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-23 15:25:08,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:08,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-23 15:25:08,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=464, Invalid=2842, Unknown=0, NotChecked=0, Total=3306 [2022-11-23 15:25:08,701 INFO L87 Difference]: Start difference. First operand 439 states and 522 transitions. Second operand has 30 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 15:25:16,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:16,914 INFO L93 Difference]: Finished difference Result 706 states and 858 transitions. [2022-11-23 15:25:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 15:25:16,915 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Word has length 64 [2022-11-23 15:25:16,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:16,918 INFO L225 Difference]: With dead ends: 706 [2022-11-23 15:25:16,918 INFO L226 Difference]: Without dead ends: 525 [2022-11-23 15:25:16,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 145 SyntacticMatches, 4 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2247 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=840, Invalid=5480, Unknown=0, NotChecked=0, Total=6320 [2022-11-23 15:25:16,921 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 224 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:16,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 593 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 15:25:16,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-11-23 15:25:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 506. [2022-11-23 15:25:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 341 states have (on average 1.18475073313783) internal successors, (404), 367 states have internal predecessors, (404), 89 states have call successors, (89), 73 states have call predecessors, (89), 75 states have return successors, (113), 82 states have call predecessors, (113), 89 states have call successors, (113) [2022-11-23 15:25:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 606 transitions. [2022-11-23 15:25:17,013 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 606 transitions. Word has length 64 [2022-11-23 15:25:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:17,013 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 606 transitions. [2022-11-23 15:25:17,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 15:25:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 606 transitions. [2022-11-23 15:25:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:25:17,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:17,016 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:17,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:17,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:17,222 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:17,223 INFO L85 PathProgramCache]: Analyzing trace with hash -802407473, now seen corresponding path program 1 times [2022-11-23 15:25:17,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:17,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486412184] [2022-11-23 15:25:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:25:17,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:17,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486412184] [2022-11-23 15:25:17,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486412184] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:17,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741330527] [2022-11-23 15:25:17,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:17,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:17,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:17,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:17,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:25:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:17,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-23 15:25:17,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:25:17,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:25:17,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741330527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:17,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:25:17,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 16 [2022-11-23 15:25:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231273078] [2022-11-23 15:25:17,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:17,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:25:17,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:17,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:25:17,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:25:17,633 INFO L87 Difference]: Start difference. First operand 506 states and 606 transitions. Second operand has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:25:17,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:17,968 INFO L93 Difference]: Finished difference Result 1060 states and 1283 transitions. [2022-11-23 15:25:17,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:25:17,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2022-11-23 15:25:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:17,973 INFO L225 Difference]: With dead ends: 1060 [2022-11-23 15:25:17,974 INFO L226 Difference]: Without dead ends: 804 [2022-11-23 15:25:17,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:25:17,976 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 61 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:17,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 513 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:25:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2022-11-23 15:25:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 752. [2022-11-23 15:25:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 517 states have (on average 1.1682785299806577) internal successors, (604), 544 states have internal predecessors, (604), 122 states have call successors, (122), 98 states have call predecessors, (122), 112 states have return successors, (159), 128 states have call predecessors, (159), 122 states have call successors, (159) [2022-11-23 15:25:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 885 transitions. [2022-11-23 15:25:18,084 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 885 transitions. Word has length 66 [2022-11-23 15:25:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:18,085 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 885 transitions. [2022-11-23 15:25:18,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:25:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 885 transitions. [2022-11-23 15:25:18,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 15:25:18,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:18,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:18,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:18,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 15:25:18,293 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:18,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:18,293 INFO L85 PathProgramCache]: Analyzing trace with hash -539227288, now seen corresponding path program 1 times [2022-11-23 15:25:18,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:18,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139509968] [2022-11-23 15:25:18,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:18,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 15:25:18,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:18,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139509968] [2022-11-23 15:25:18,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139509968] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:18,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31689092] [2022-11-23 15:25:18,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:18,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:18,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:18,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:18,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:25:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:18,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-23 15:25:18,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:25:18,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:25:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 15:25:19,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31689092] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:25:19,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [701019282] [2022-11-23 15:25:19,304 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-23 15:25:19,304 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:25:19,304 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:25:19,304 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:25:19,305 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:25:22,815 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 122 for LOIs [2022-11-23 15:25:22,836 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 44 for LOIs [2022-11-23 15:25:23,060 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 47 for LOIs [2022-11-23 15:25:23,541 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 25 for LOIs [2022-11-23 15:25:23,564 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 44 for LOIs [2022-11-23 15:25:23,576 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2022-11-23 15:25:23,585 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 31 for LOIs [2022-11-23 15:25:23,588 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:25:29,772 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12003#(and (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~3#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (<= 0 |old(~pumpRunning~0)|) (= 0 |timeShift___utac_acc__Specification3_spec__1_~tmp___1~1#1|) (= ~head~0.offset 0) (= |timeShift_getWaterLevel_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|) (= 1 ~systemActive~0) (= 2 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~3#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (= ~head~0.base 0) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___1~1#1|) (= |#NULL.offset| 0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1|) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 15:25:29,772 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:25:29,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:25:29,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 11] total 27 [2022-11-23 15:25:29,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41775906] [2022-11-23 15:25:29,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:25:29,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-23 15:25:29,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:29,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-23 15:25:29,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=3426, Unknown=0, NotChecked=0, Total=3906 [2022-11-23 15:25:29,776 INFO L87 Difference]: Start difference. First operand 752 states and 885 transitions. Second operand has 27 states, 21 states have (on average 5.190476190476191) internal successors, (109), 22 states have internal predecessors, (109), 12 states have call successors, (26), 7 states have call predecessors, (26), 12 states have return successors, (25), 12 states have call predecessors, (25), 12 states have call successors, (25) [2022-11-23 15:25:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:31,128 INFO L93 Difference]: Finished difference Result 1815 states and 2168 transitions. [2022-11-23 15:25:31,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 15:25:31,129 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 21 states have (on average 5.190476190476191) internal successors, (109), 22 states have internal predecessors, (109), 12 states have call successors, (26), 7 states have call predecessors, (26), 12 states have return successors, (25), 12 states have call predecessors, (25), 12 states have call successors, (25) Word has length 72 [2022-11-23 15:25:31,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:31,137 INFO L225 Difference]: With dead ends: 1815 [2022-11-23 15:25:31,138 INFO L226 Difference]: Without dead ends: 1029 [2022-11-23 15:25:31,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 165 SyntacticMatches, 4 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2038 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=755, Invalid=5565, Unknown=0, NotChecked=0, Total=6320 [2022-11-23 15:25:31,143 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 608 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:31,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 132 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:25:31,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-11-23 15:25:31,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 975. [2022-11-23 15:25:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 662 states have (on average 1.1208459214501512) internal successors, (742), 700 states have internal predecessors, (742), 159 states have call successors, (159), 137 states have call predecessors, (159), 153 states have return successors, (200), 166 states have call predecessors, (200), 159 states have call successors, (200) [2022-11-23 15:25:31,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1101 transitions. [2022-11-23 15:25:31,322 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1101 transitions. Word has length 72 [2022-11-23 15:25:31,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:31,323 INFO L495 AbstractCegarLoop]: Abstraction has 975 states and 1101 transitions. [2022-11-23 15:25:31,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 21 states have (on average 5.190476190476191) internal successors, (109), 22 states have internal predecessors, (109), 12 states have call successors, (26), 7 states have call predecessors, (26), 12 states have return successors, (25), 12 states have call predecessors, (25), 12 states have call successors, (25) [2022-11-23 15:25:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1101 transitions. [2022-11-23 15:25:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 15:25:31,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:31,327 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:31,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:31,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:31,534 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:31,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:31,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1646057037, now seen corresponding path program 1 times [2022-11-23 15:25:31,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:31,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462296095] [2022-11-23 15:25:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:31,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 15:25:32,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:32,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462296095] [2022-11-23 15:25:32,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462296095] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:32,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163576046] [2022-11-23 15:25:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:32,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:32,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:32,130 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:32,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:25:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:32,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-23 15:25:32,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:25:32,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:25:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 15:25:33,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163576046] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:25:33,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1922588359] [2022-11-23 15:25:33,043 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-11-23 15:25:33,043 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:25:33,043 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:25:33,043 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:25:33,043 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:25:36,063 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 139 for LOIs [2022-11-23 15:25:36,088 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 28 for LOIs [2022-11-23 15:25:36,490 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2022-11-23 15:25:36,692 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 24 for LOIs [2022-11-23 15:25:36,715 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 42 for LOIs [2022-11-23 15:25:36,723 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 31 for LOIs [2022-11-23 15:25:36,726 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:25:43,861 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '16759#(and (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~3#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (<= 0 |old(~pumpRunning~0)|) (= 0 |timeShift___utac_acc__Specification3_spec__1_~tmp___1~1#1|) (<= |old(~pumpRunning~0)| 1) (= ~head~0.offset 0) (= |timeShift_getWaterLevel_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|) (= 1 ~systemActive~0) (= 2 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~3#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (= ~head~0.base 0) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___1~1#1|) (= |#NULL.offset| 0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1|) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 15:25:43,861 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:25:43,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:25:43,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 11] total 30 [2022-11-23 15:25:43,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863595459] [2022-11-23 15:25:43,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:25:43,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-23 15:25:43,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:43,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-23 15:25:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=3456, Unknown=0, NotChecked=0, Total=3906 [2022-11-23 15:25:43,865 INFO L87 Difference]: Start difference. First operand 975 states and 1101 transitions. Second operand has 30 states, 28 states have (on average 4.214285714285714) internal successors, (118), 28 states have internal predecessors, (118), 13 states have call successors, (27), 10 states have call predecessors, (27), 9 states have return successors, (25), 12 states have call predecessors, (25), 11 states have call successors, (25) [2022-11-23 15:25:50,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:50,254 INFO L93 Difference]: Finished difference Result 3143 states and 3840 transitions. [2022-11-23 15:25:50,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-11-23 15:25:50,256 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 4.214285714285714) internal successors, (118), 28 states have internal predecessors, (118), 13 states have call successors, (27), 10 states have call predecessors, (27), 9 states have return successors, (25), 12 states have call predecessors, (25), 11 states have call successors, (25) Word has length 70 [2022-11-23 15:25:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:50,270 INFO L225 Difference]: With dead ends: 3143 [2022-11-23 15:25:50,270 INFO L226 Difference]: Without dead ends: 2624 [2022-11-23 15:25:50,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 164 SyntacticMatches, 14 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7278 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=2421, Invalid=15669, Unknown=0, NotChecked=0, Total=18090 [2022-11-23 15:25:50,278 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 1623 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 3343 mSolverCounterSat, 1314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 4657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1314 IncrementalHoareTripleChecker+Valid, 3343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:50,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 1154 Invalid, 4657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1314 Valid, 3343 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 15:25:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2022-11-23 15:25:50,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 1912. [2022-11-23 15:25:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1288 states have (on average 1.1071428571428572) internal successors, (1426), 1354 states have internal predecessors, (1426), 303 states have call successors, (303), 266 states have call predecessors, (303), 320 states have return successors, (402), 331 states have call predecessors, (402), 303 states have call successors, (402) [2022-11-23 15:25:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2131 transitions. [2022-11-23 15:25:50,620 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2131 transitions. Word has length 70 [2022-11-23 15:25:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:50,620 INFO L495 AbstractCegarLoop]: Abstraction has 1912 states and 2131 transitions. [2022-11-23 15:25:50,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 4.214285714285714) internal successors, (118), 28 states have internal predecessors, (118), 13 states have call successors, (27), 10 states have call predecessors, (27), 9 states have return successors, (25), 12 states have call predecessors, (25), 11 states have call successors, (25) [2022-11-23 15:25:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2131 transitions. [2022-11-23 15:25:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-23 15:25:50,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:50,625 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 15:25:50,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:50,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 15:25:50,830 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:50,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:50,830 INFO L85 PathProgramCache]: Analyzing trace with hash 358408337, now seen corresponding path program 1 times [2022-11-23 15:25:50,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:50,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364164992] [2022-11-23 15:25:50,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-23 15:25:51,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:51,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364164992] [2022-11-23 15:25:51,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364164992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:51,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:25:51,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:25:51,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334190775] [2022-11-23 15:25:51,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:51,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:25:51,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:51,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:25:51,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:25:51,160 INFO L87 Difference]: Start difference. First operand 1912 states and 2131 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:25:51,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:51,512 INFO L93 Difference]: Finished difference Result 3205 states and 3593 transitions. [2022-11-23 15:25:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:25:51,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2022-11-23 15:25:51,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:51,515 INFO L225 Difference]: With dead ends: 3205 [2022-11-23 15:25:51,515 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:25:51,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:25:51,522 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 95 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:51,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 217 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:25:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:25:51,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:25:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:25:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:25:51,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-11-23 15:25:51,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:51,525 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:25:51,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:25:51,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:25:51,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:25:51,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:25:51,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:25:51,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:26:24,357 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 566 DAG size of output: 257 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 15:26:30,803 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 296 303) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2022-11-23 15:26:30,803 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 296 303) no Hoare annotation was computed. [2022-11-23 15:26:30,804 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 203 209) no Hoare annotation was computed. [2022-11-23 15:26:30,804 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 203 209) the Hoare annotation is: true [2022-11-23 15:26:30,804 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 426 437) the Hoare annotation is: (let ((.cse9 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= ~pumpRunning~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse5 .cse1 .cse9 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse1 .cse2 .cse9 .cse4) (or .cse1 .cse6 .cse3 .cse7 (not (< ~waterLevel~0 3))) (or .cse0 .cse5 .cse1 .cse2 .cse8))) [2022-11-23 15:26:30,804 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 426 437) no Hoare annotation was computed. [2022-11-23 15:26:30,805 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 438 446) the Hoare annotation is: true [2022-11-23 15:26:30,805 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 438 446) no Hoare annotation was computed. [2022-11-23 15:26:30,805 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2022-11-23 15:26:30,805 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2022-11-23 15:26:30,805 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2022-11-23 15:26:30,805 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 904 933) the Hoare annotation is: true [2022-11-23 15:26:30,805 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-11-23 15:26:30,806 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2022-11-23 15:26:30,806 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2022-11-23 15:26:30,806 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2022-11-23 15:26:30,806 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2022-11-23 15:26:30,807 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (<= ~waterLevel~0 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse28 (<= ~waterLevel~0 1))) (let ((.cse26 (= ~methaneLevelCritical~0 0)) (.cse25 (= 1 ~systemActive~0)) (.cse10 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse11 (or .cse17 (and .cse16 .cse28))) (.cse27 (or .cse4 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (.cse18 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= ~pumpRunning~0 1))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and .cse27 .cse18 .cse14)) (.cse7 (and .cse16 .cse28 .cse27 .cse18)) (.cse13 (+ ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (and .cse16 .cse26 .cse25 .cse27 .cse10 .cse18 .cse11)) (.cse5 (not .cse26)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not (< |old(~waterLevel~0)| 3))) (.cse19 (not (= |#NULL.offset| 0))) (.cse0 (not .cse25)) (.cse20 (not (= ~head~0.offset 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= ~head~0.base 0))) (.cse23 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse9 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse1 .cse2 (and .cse10 .cse11) .cse8) (or .cse12 .cse0 .cse5 .cse1 (and (or (not (< 0 ~waterLevel~0)) (<= .cse13 |old(~waterLevel~0)|)) .cse10 .cse14) .cse3) (or .cse15 .cse0 (and .cse16 .cse17) .cse1 .cse2) (or .cse15 .cse0 .cse5 .cse1 (and .cse17 .cse18)) (or .cse4 .cse0 .cse2 .cse6 .cse7 .cse8) (or .cse19 (and (= |timeShift_isMethaneAlarm_~retValue_acc~2#1| |timeShift_isMethaneAlarm_#res#1|) (or (and (= |old(~waterLevel~0)| .cse13) (< 0 |old(~waterLevel~0)|)) .cse9) (= |timeShift_processEnvironment_~tmp~3#1| |timeShift_isMethaneAlarm_#res#1|)) .cse12 .cse0 .cse20 .cse5 .cse1 .cse21 (not (<= 0 |#StackHeapBarrier|)) .cse22 .cse23 .cse8) (let ((.cse24 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse4 (not (= (select .cse24 0) 48)) .cse16 .cse19 (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))) (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse20 (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)) (not (= (select .cse24 1) 0)) (not (= (select |#valid| 1) 1)) (not (<= ~methaneLevelCritical~0 0)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse21 (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)) .cse22 .cse23)))))) [2022-11-23 15:26:30,808 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-11-23 15:26:30,808 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 279) no Hoare annotation was computed. [2022-11-23 15:26:30,808 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 284) no Hoare annotation was computed. [2022-11-23 15:26:30,809 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse10 (+ ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (and (or (not (< 0 ~waterLevel~0)) (<= .cse10 |old(~waterLevel~0)|)) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 (= ~waterLevel~0 1) .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse6 .cse5) (or .cse1 .cse4 .cse2 .cse7 .cse8) (or .cse1 .cse6 .cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse8) (or .cse9 .cse1 .cse6 .cse4 .cse5) (or (not (= |#NULL.offset| 0)) .cse1 (not (= ~head~0.offset 0)) .cse6 .cse4 (not (= |#NULL.base| 0)) (and (= |old(~waterLevel~0)| .cse10) (< 0 |old(~waterLevel~0)|)) .cse7 (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse3) (or .cse9 .cse1 .cse4 .cse2 .cse3)))) [2022-11-23 15:26:30,809 INFO L895 garLoopResultBuilder]: At program point L309-1(line 309) the Hoare annotation is: (let ((.cse11 (+ ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (or (not (< 0 ~waterLevel~0)) (<= .cse11 |old(~waterLevel~0)|))) (.cse6 (= |timeShift_isMethaneAlarm_#t~ret12#1| ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6 .cse7) .cse2 .cse3) (or .cse1 .cse4 .cse2 (= ~waterLevel~0 1) .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse9 .cse8) (or (and .cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse6 .cse7) .cse1 .cse9 .cse4 .cse3) (or .cse1 .cse4 .cse2 .cse10 (not (<= |old(~waterLevel~0)| 0))) (or (not (= |#NULL.offset| 0)) .cse1 (not (= ~head~0.offset 0)) .cse9 .cse4 (not (= |#NULL.base| 0)) (and (= |old(~waterLevel~0)| .cse11) (< 0 |old(~waterLevel~0)|)) .cse10 (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse3)))) [2022-11-23 15:26:30,816 INFO L895 garLoopResultBuilder]: At program point L512(lines 512 532) the Hoare annotation is: (let ((.cse19 (<= ~waterLevel~0 0)) (.cse15 (= ~pumpRunning~0 0)) (.cse29 (<= ~waterLevel~0 1)) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse33 (= ~methaneLevelCritical~0 0)) (.cse32 (= 1 ~systemActive~0)) (.cse30 (or .cse11 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (.cse1 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse20 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (or .cse19 (and .cse15 .cse29))) (.cse2 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1|)) (.cse13 (= ~pumpRunning~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= ~waterLevel~0 1))) (let ((.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (or .cse9 .cse16)) (.cse28 (not (< |old(~waterLevel~0)| 3))) (.cse17 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse12 (and .cse9 .cse2 .cse13)) (.cse10 (not (<= |old(~waterLevel~0)| 0))) (.cse23 (and .cse15 .cse33 .cse32 .cse30 .cse1 .cse20 .cse2 .cse4)) (.cse18 (not .cse33)) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse22 (+ ~waterLevel~0 1)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse21 (not (= |#NULL.offset| 0))) (.cse14 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not .cse32)) (.cse24 (not (= ~head~0.offset 0))) (.cse25 (not (= |#NULL.base| 0))) (.cse26 (not (= ~head~0.base 0))) (.cse27 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse5 .cse6 .cse9 .cse10) (or .cse11 .cse0 .cse6 .cse7 .cse12 .cse8) (or (and .cse2 .cse3 .cse13) .cse11 .cse14 .cse0 .cse6 (and .cse15 .cse2 .cse16)) (or .cse17 .cse0 .cse18 .cse5 (and .cse19 .cse20)) (or .cse21 (and (= |timeShift_isMethaneAlarm_~retValue_acc~2#1| |timeShift_isMethaneAlarm_#res#1|) (or (and (= |old(~waterLevel~0)| .cse22) (< 0 |old(~waterLevel~0)|)) .cse9) (= |timeShift_processEnvironment_~tmp~3#1| |timeShift_isMethaneAlarm_#res#1|)) .cse0 .cse23 .cse24 .cse18 .cse5 .cse25 (not (<= 0 |#StackHeapBarrier|)) .cse26 .cse27 .cse28) (or (and .cse15 .cse29 .cse30 .cse20 .cse2) .cse11 .cse0 .cse18 (and .cse30 .cse20 .cse2 .cse13) .cse28) (or .cse17 (and .cse15 .cse1 .cse19 .cse2) .cse0 .cse5 .cse6) (or .cse11 .cse0 (and .cse15 .cse9 .cse2) .cse6 .cse12 .cse10) (or .cse0 .cse23 .cse18 .cse5 (and (or (not (< 0 ~waterLevel~0)) (<= .cse22 |old(~waterLevel~0)|)) .cse1 .cse2 .cse13) .cse7) (let ((.cse31 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse11 (not (= (select .cse31 0) 48)) .cse15 .cse21 (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))) .cse14 .cse0 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse24 (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)) (not (= (select .cse31 1) 0)) (not (= (select |#valid| 1) 1)) (not (<= ~methaneLevelCritical~0 0)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse25 (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)) .cse26 .cse27)))))) [2022-11-23 15:26:30,816 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 196) no Hoare annotation was computed. [2022-11-23 15:26:30,816 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (not (<= |old(~waterLevel~0)| 2))) (or .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3))) [2022-11-23 15:26:30,816 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (+ ~waterLevel~0 1)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or (not (= |#NULL.offset| 0)) (and (= |timeShift_isMethaneAlarm_~retValue_acc~2#1| |timeShift_isMethaneAlarm_#res#1|) (or (and (= |old(~waterLevel~0)| .cse6) (< 0 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) (= |timeShift_processEnvironment_~tmp~3#1| |timeShift_isMethaneAlarm_#res#1|)) .cse1 (not (= ~head~0.offset 0)) .cse4 .cse7 (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse3) (or .cse1 .cse4 .cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= |old(~waterLevel~0)| 0))) (or .cse1 .cse4 .cse7 (and (or (not (< 0 ~waterLevel~0)) (<= .cse6 |old(~waterLevel~0)|)) (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0) (= ~pumpRunning~0 1)) .cse5) (or .cse1 .cse7 .cse2 .cse3))) [2022-11-23 15:26:30,817 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 (= ~waterLevel~0 1) .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse6 .cse5) (or .cse1 .cse4 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~waterLevel~0)| 0))) (or .cse1 .cse4 .cse2 (and (or (not (< 0 ~waterLevel~0)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0) (= ~pumpRunning~0 1)) .cse3) (or .cse1 .cse6 .cse4 .cse3))) [2022-11-23 15:26:30,817 INFO L895 garLoopResultBuilder]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (or .cse0 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse1 (and .cse3 .cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse5 .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 (and .cse3 .cse4 (< ~waterLevel~0 3)) .cse1 .cse2 .cse6) (or .cse1 .cse7 .cse5 .cse6) (or .cse1 .cse2 .cse7 .cse6)))) [2022-11-23 15:26:30,818 INFO L895 garLoopResultBuilder]: At program point L282-1(lines 263 287) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (<= ~waterLevel~0 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse28 (<= ~waterLevel~0 1))) (let ((.cse26 (= ~methaneLevelCritical~0 0)) (.cse25 (= 1 ~systemActive~0)) (.cse10 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse11 (or .cse17 (and .cse16 .cse28))) (.cse27 (or .cse4 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (.cse18 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= ~pumpRunning~0 1))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and .cse27 .cse18 .cse14)) (.cse7 (and .cse16 .cse28 .cse27 .cse18)) (.cse13 (+ ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (and .cse16 .cse26 .cse25 .cse27 .cse10 .cse18 .cse11)) (.cse5 (not .cse26)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not (< |old(~waterLevel~0)| 3))) (.cse19 (not (= |#NULL.offset| 0))) (.cse0 (not .cse25)) (.cse20 (not (= ~head~0.offset 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= ~head~0.base 0))) (.cse23 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse9 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse1 .cse2 (and .cse10 .cse11) .cse8) (or .cse12 .cse0 .cse5 .cse1 (and (or (not (< 0 ~waterLevel~0)) (<= .cse13 |old(~waterLevel~0)|)) .cse10 .cse14) .cse3) (or .cse15 .cse0 (and .cse16 .cse17) .cse1 .cse2) (or .cse15 .cse0 .cse5 .cse1 (and .cse17 .cse18)) (or .cse4 .cse0 .cse2 .cse6 .cse7 .cse8) (or .cse19 (and (= |timeShift_isMethaneAlarm_~retValue_acc~2#1| |timeShift_isMethaneAlarm_#res#1|) (or (and (= |old(~waterLevel~0)| .cse13) (< 0 |old(~waterLevel~0)|)) .cse9) (= |timeShift_processEnvironment_~tmp~3#1| |timeShift_isMethaneAlarm_#res#1|)) .cse12 .cse0 .cse20 .cse5 .cse1 .cse21 (not (<= 0 |#StackHeapBarrier|)) .cse22 .cse23 .cse8) (let ((.cse24 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse4 (not (= (select .cse24 0) 48)) .cse16 .cse19 (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))) (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) .cse20 (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)) (not (= (select .cse24 1) 0)) (not (= (select |#valid| 1) 1)) (not (<= ~methaneLevelCritical~0 0)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse21 (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)) .cse22 .cse23)))))) [2022-11-23 15:26:30,818 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 182 201) no Hoare annotation was computed. [2022-11-23 15:26:30,818 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 179 202) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and .cse9 (= ~pumpRunning~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse9)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse6 .cse7) (or .cse2 .cse8 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse8 .cse4)))) [2022-11-23 15:26:30,818 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 179 202) no Hoare annotation was computed. [2022-11-23 15:26:30,818 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 528) no Hoare annotation was computed. [2022-11-23 15:26:30,819 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-23 15:26:30,819 INFO L895 garLoopResultBuilder]: At program point L518(lines 518 531) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse57 (select |#memory_int| 1)) (.cse11 (= ~pumpRunning~0 0)) (.cse59 (= ~methaneLevelCritical~0 0)) (.cse55 (<= ~waterLevel~0 1)) (.cse7 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|)) (.cse58 (= 1 ~systemActive~0)) (.cse56 (or .cse0 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (.cse14 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1|))) (let ((.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse13 (+ ~waterLevel~0 1)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse15 (and .cse11 .cse59 .cse55 .cse7 .cse58 .cse56 .cse14 .cse8 .cse9)) (.cse5 (not .cse59)) (.cse10 (= ~pumpRunning~0 1)) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse16 (not (= (select |#length| 12) 25))) (.cse17 (not (= (select .cse57 0) 48))) (.cse18 (not (= |#NULL.offset| 0))) (.cse19 (not (= 9 (select |#length| 11)))) (.cse20 (not (= 9 (select |#length| 5)))) (.cse21 (not (= 30 (select |#length| 7)))) (.cse22 (not (= 31 (select |#length| 2)))) (.cse23 (not (= (select |#valid| 12) 1))) (.cse24 (not (= 2 (select |#length| 1)))) (.cse25 (not (= 9 (select |#length| 14)))) (.cse1 (not .cse58)) (.cse26 (not (= (select |#length| 15) 25))) (.cse27 (not (= (select |#valid| 6) 1))) (.cse28 (not (< 0 |#StackHeapBarrier|))) (.cse29 (not (= (select |#valid| 3) 1))) (.cse30 (not (= ~head~0.offset 0))) (.cse31 (not (= (select |#valid| 11) 1))) (.cse32 (not (= (select |#length| 9) 21))) (.cse33 (not (= 30 (select |#length| 10)))) (.cse34 (not (= (select |#valid| 15) 1))) (.cse35 (not (= (select |#length| 6) 21))) (.cse36 (not (= 1 (select |#valid| 5)))) (.cse37 (not (= (select |#length| 8) 9))) (.cse38 (not (= (select |#length| 3) 12))) (.cse39 (not (= (select |#valid| 0) 0))) (.cse40 (not (= (select .cse57 1) 0))) (.cse41 (not (= (select |#valid| 1) 1))) (.cse42 (not (= (select |#valid| 8) 1))) (.cse43 (not (= 30 (select |#length| 13)))) (.cse44 (not (= (select |#valid| 4) 1))) (.cse45 (not (= |#NULL.base| 0))) (.cse46 (not (= (select |#valid| 7) 1))) (.cse47 (not (= (select |#valid| 10) 1))) (.cse48 (not (= (select |#valid| 14) 1))) (.cse49 (not (= (select |#valid| 13) 1))) (.cse50 (not (= 30 (select |#length| 4)))) (.cse51 (not (= (select |#valid| 2) 1))) (.cse52 (not (= (select |#valid| 9) 1))) (.cse53 (not (= ~head~0.base 0))) (.cse54 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 0)) (or .cse4 .cse0 .cse1 .cse5 (and .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse7 .cse12 .cse9)) (or (and .cse7 (or (not (< 0 ~waterLevel~0)) (<= .cse13 |old(~waterLevel~0)|)) .cse14 .cse8 .cse9 .cse10) .cse1 .cse5 .cse6 .cse15 .cse3) (or .cse1 .cse6 .cse2 .cse3) (or .cse16 .cse0 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse1 .cse26 .cse27 .cse28 (and (= |timeShift_getWaterLevel_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0)) .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse5 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 (not (<= |old(~waterLevel~0)| 2)) .cse50 .cse51 .cse52 .cse53 .cse54 (not (<= 2 |old(~waterLevel~0)|))) (or .cse18 (and (= |timeShift_isMethaneAlarm_~retValue_acc~2#1| |timeShift_isMethaneAlarm_#res#1|) (or (and (= |old(~waterLevel~0)| .cse13) (< 0 |old(~waterLevel~0)|)) .cse12) (= |timeShift_processEnvironment_~tmp~3#1| |timeShift_isMethaneAlarm_#res#1|)) .cse1 .cse30 .cse5 .cse6 .cse15 .cse45 (not (<= 0 |#StackHeapBarrier|)) .cse53 .cse54 .cse3) (or .cse0 .cse1 .cse5 (and .cse55 .cse56) (and .cse7 .cse56 .cse9 (< ~waterLevel~0 3) .cse10) .cse3) (or .cse16 .cse0 .cse17 .cse11 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 (not (<= ~methaneLevelCritical~0 0)) .cse42 .cse43 .cse44 (not (<= 0 ~methaneLevelCritical~0)) .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54))))) [2022-11-23 15:26:30,820 INFO L895 garLoopResultBuilder]: At program point L518-1(lines 503 535) the Hoare annotation is: (let ((.cse19 (<= ~waterLevel~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse62 (select |#memory_int| 1)) (.cse63 (= ~methaneLevelCritical~0 0)) (.cse15 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|)) (.cse8 (= 1 ~systemActive~0)) (.cse2 (or .cse0 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (.cse17 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1|)) (.cse61 (or .cse19 (and .cse6 .cse7)))) (let ((.cse18 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (= ~pumpRunning~0 1)) (.cse16 (+ ~waterLevel~0 1)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (and .cse6 .cse63 .cse15 .cse8 .cse2 .cse17 .cse3 .cse4 .cse61)) (.cse10 (not (< |old(~waterLevel~0)| 3))) (.cse21 (not (= (select |#length| 12) 25))) (.cse22 (not (= (select .cse62 0) 48))) (.cse23 (not (= |#NULL.offset| 0))) (.cse24 (not (= 9 (select |#length| 11)))) (.cse25 (not (= 9 (select |#length| 5)))) (.cse26 (not (= 30 (select |#length| 7)))) (.cse27 (not (= 31 (select |#length| 2)))) (.cse28 (not (= (select |#valid| 12) 1))) (.cse29 (not (= 2 (select |#length| 1)))) (.cse30 (not (= 9 (select |#length| 14)))) (.cse31 (not (= (select |#length| 15) 25))) (.cse32 (not (= (select |#valid| 6) 1))) (.cse33 (not (< 0 |#StackHeapBarrier|))) (.cse34 (not (= (select |#valid| 3) 1))) (.cse35 (not (= ~head~0.offset 0))) (.cse36 (not (= (select |#valid| 11) 1))) (.cse37 (not (= (select |#length| 9) 21))) (.cse38 (not (= 30 (select |#length| 10)))) (.cse39 (not (= (select |#valid| 15) 1))) (.cse40 (not (= (select |#length| 6) 21))) (.cse41 (not (= 1 (select |#valid| 5)))) (.cse42 (not (= (select |#length| 8) 9))) (.cse43 (not (= (select |#length| 3) 12))) (.cse44 (not (= (select |#valid| 0) 0))) (.cse12 (not .cse63)) (.cse45 (not (= (select .cse62 1) 0))) (.cse46 (not (= (select |#valid| 1) 1))) (.cse47 (not (= (select |#valid| 8) 1))) (.cse48 (not (= 30 (select |#length| 13)))) (.cse49 (not (= (select |#valid| 4) 1))) (.cse50 (not (= |#NULL.base| 0))) (.cse51 (not (= (select |#valid| 7) 1))) (.cse52 (not (= (select |#valid| 10) 1))) (.cse53 (not (= (select |#valid| 14) 1))) (.cse54 (not (= (select |#valid| 13) 1))) (.cse55 (not (= 30 (select |#length| 4)))) (.cse56 (not (= (select |#valid| 2) 1))) (.cse57 (not (= (select |#valid| 9) 1))) (.cse58 (not (= ~head~0.base 0))) (.cse59 (not (= ~cleanupTimeShifts~0 4))) (.cse1 (not .cse8)) (.cse13 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse14 (not (<= |old(~waterLevel~0)| 2))) (.cse60 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4) .cse9 .cse10) (or .cse11 .cse1 .cse12 .cse13 .cse14 (and .cse15 (or (not (< 0 ~waterLevel~0)) (<= .cse16 |old(~waterLevel~0)|)) .cse17 .cse4 .cse5)) (or .cse18 .cse1 .cse12 .cse13 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 0)) (or .cse1 .cse12 .cse13 .cse3 .cse10) (or .cse18 .cse1 (and .cse6 .cse8 .cse17 .cse19 .cse4) .cse13 .cse9) (or .cse1 .cse13 .cse9 .cse20 (not (<= |old(~waterLevel~0)| 0))) (or .cse21 .cse0 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 (not (<= ~methaneLevelCritical~0 0)) .cse47 .cse48 .cse49 (not (<= 0 ~methaneLevelCritical~0)) .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 (and .cse6 .cse8) .cse57 .cse58 .cse59) (or .cse0 (and .cse15 .cse2 .cse3 .cse4 .cse5) .cse1 (and .cse6 .cse7 .cse15 .cse8 .cse2 .cse3 .cse4) .cse12 .cse10) (or .cse23 (and (= |timeShift_isMethaneAlarm_~retValue_acc~2#1| |timeShift_isMethaneAlarm_#res#1|) (or (and (= |old(~waterLevel~0)| .cse16) (< 0 |old(~waterLevel~0)|)) .cse20) (= |timeShift_processEnvironment_~tmp~3#1| |timeShift_isMethaneAlarm_#res#1|)) .cse11 .cse1 .cse35 .cse12 .cse13 .cse50 (not (<= 0 |#StackHeapBarrier|)) .cse58 .cse59 .cse10) (or .cse21 .cse0 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse1 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse12 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse14 .cse55 .cse56 .cse57 (and (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~3#1|) (= |timeShift_getWaterLevel_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1|) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~3#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___1~1#1|)) .cse58 .cse59 .cse60) (or (and .cse17 .cse4 (= ~waterLevel~0 1) .cse61) .cse1 .cse13 .cse9 .cse14 .cse60))))) [2022-11-23 15:26:30,821 INFO L895 garLoopResultBuilder]: At program point L985(lines 985 992) 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) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= |ULTIMATE.start_main_~tmp~10#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~1#1| |ULTIMATE.start_valid_product_#res#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) (= |ULTIMATE.start_valid_product_~retValue_acc~1#1| 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 15:26:30,821 INFO L902 garLoopResultBuilder]: At program point L985-2(lines 985 992) the Hoare annotation is: true [2022-11-23 15:26:30,821 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 141 152) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse3 .cse4 .cse5))) [2022-11-23 15:26:30,822 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 137) no Hoare annotation was computed. [2022-11-23 15:26:30,822 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2022-11-23 15:26:30,822 INFO L902 garLoopResultBuilder]: At program point L160(lines 101 164) the Hoare annotation is: true [2022-11-23 15:26:30,822 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:26:30,822 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (or (<= ~waterLevel~0 0) (and .cse5 (<= ~waterLevel~0 1))))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3) (and .cse1 .cse4 .cse2 (< ~waterLevel~0 3) .cse3) (and .cse5 .cse1 .cse4 .cse2 .cse6) (and .cse5 .cse0 .cse1 .cse2 .cse6)))) [2022-11-23 15:26:30,822 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:26:30,822 INFO L895 garLoopResultBuilder]: At program point L157(lines 110 158) the Hoare annotation is: false [2022-11-23 15:26:30,822 INFO L899 garLoopResultBuilder]: For program point L112(lines 111 156) no Hoare annotation was computed. [2022-11-23 15:26:30,822 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (< ~waterLevel~0 3)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse6 .cse4) (and .cse7 .cse0 .cse1 .cse2 .cse6) (and .cse7 .cse1 .cse5 .cse2 .cse3))) [2022-11-23 15:26:30,823 INFO L895 garLoopResultBuilder]: At program point L154(lines 111 156) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3) (and .cse1 .cse4 .cse2 (< ~waterLevel~0 3) .cse3) (and .cse5 .cse6 .cse1 .cse4 .cse2) (and .cse5 .cse0 .cse6 .cse1 .cse2))) [2022-11-23 15:26:30,823 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2022-11-23 15:26:30,823 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2022-11-23 15:26:30,824 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1))) (let ((.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 (not (= |old(~pumpRunning~0)| 1)) .cse4) (or .cse0 .cse2 .cse5 (and .cse1 .cse6) (not (< ~waterLevel~0 3))) (let ((.cse7 (select |#memory_int| 1))) (or (not (= ~waterLevel~0 1)) (not (= (select |#length| 12) 25)) .cse0 (not (= (select .cse7 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)) (not (= (select .cse7 1) 0)) (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~8#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~8#1| 1)) (not (= (select |#valid| 1) 1)) (not (<= ~methaneLevelCritical~0 0)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (<= 0 ~methaneLevelCritical~0)) (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 .cse0 .cse2 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse3)))) [2022-11-23 15:26:30,824 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 211 235) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse4) (or .cse2 .cse3 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)))) [2022-11-23 15:26:30,825 INFO L895 garLoopResultBuilder]: At program point L219(lines 219 227) the Hoare annotation is: (let ((.cse50 (select |#memory_int| 1)) (.cse49 (<= ~waterLevel~0 1))) (let ((.cse3 (and (or .cse49 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 1)) (= ~pumpRunning~0 0))) (.cse4 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= (select |#length| 12) 25))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= (select .cse50 0) 48))) (.cse7 (not (= |#NULL.offset| 0))) (.cse8 (not (= 9 (select |#length| 11)))) (.cse9 (not (= 9 (select |#length| 5)))) (.cse10 (not (= 30 (select |#length| 7)))) (.cse11 (not (= 31 (select |#length| 2)))) (.cse12 (not (= (select |#valid| 12) 1))) (.cse13 (not (= 2 (select |#length| 1)))) (.cse38 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1|)) (.cse39 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse40 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse41 (let ((.cse53 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0))) (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 1) .cse53) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not .cse53))))) (.cse42 (let ((.cse52 (< ~waterLevel~0 2)) (.cse51 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~8#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|))) (or (and .cse51 .cse52 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~8#1| 1)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~8#1| 0) (not .cse52) .cse51)))) (.cse14 (not (= 9 (select |#length| 14)))) (.cse1 (not (= 1 ~systemActive~0))) (.cse15 (not (= (select |#length| 15) 25))) (.cse16 (not (= (select |#valid| 6) 1))) (.cse17 (not (< 0 |#StackHeapBarrier|))) (.cse18 (not (= (select |#valid| 3) 1))) (.cse19 (not (= ~head~0.offset 0))) (.cse20 (not (= (select |#valid| 11) 1))) (.cse21 (not (= (select |#length| 9) 21))) (.cse22 (not (= 30 (select |#length| 10)))) (.cse23 (not (= (select |#valid| 15) 1))) (.cse24 (not (= (select |#length| 6) 21))) (.cse25 (not (= 1 (select |#valid| 5)))) (.cse26 (not (= (select |#length| 8) 9))) (.cse27 (not (= (select |#length| 3) 12))) (.cse28 (not (= (select |#valid| 0) 0))) (.cse29 (not (= (select .cse50 1) 0))) (.cse30 (not (= (select |#valid| 1) 1))) (.cse31 (not (= (select |#valid| 8) 1))) (.cse32 (not (= 30 (select |#length| 13)))) (.cse33 (not (= (select |#valid| 4) 1))) (.cse34 (not (= |#NULL.base| 0))) (.cse35 (not (= (select |#valid| 7) 1))) (.cse36 (not (= (select |#valid| 10) 1))) (.cse37 (not (= (select |#valid| 14) 1))) (.cse43 (not (= (select |#valid| 13) 1))) (.cse44 (not (= 30 (select |#length| 4)))) (.cse45 (not (= (select |#valid| 2) 1))) (.cse46 (not (= (select |#valid| 9) 1))) (.cse47 (not (= ~head~0.base 0))) (.cse48 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse1 .cse15 .cse16 .cse17 .cse18 .cse19 (not (<= 2 ~waterLevel~0)) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse2 .cse29 .cse30 .cse31 .cse32 .cse33 (not (<= ~waterLevel~0 2)) .cse34 .cse35 .cse36 .cse37 (and .cse38 .cse39 .cse40 .cse41 .cse42) .cse43 .cse44 .cse45 .cse46 .cse47 .cse48) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1)) (not .cse49)) (or (not (= ~waterLevel~0 1)) .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) .cse38 .cse39 .cse40 .cse41 .cse42) .cse14 .cse1 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 (not (<= ~methaneLevelCritical~0 0)) .cse31 .cse32 .cse33 (not (<= 0 ~methaneLevelCritical~0)) .cse34 .cse35 .cse36 .cse37 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48)))) [2022-11-23 15:26:30,825 INFO L895 garLoopResultBuilder]: At program point L215(lines 215 232) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse4) (or .cse2 .cse3 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)))) [2022-11-23 15:26:30,825 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or .cse0 .cse1 .cse2 (not (< ~waterLevel~0 3))))) [2022-11-23 15:26:30,825 INFO L899 garLoopResultBuilder]: For program point L230-1(lines 211 235) no Hoare annotation was computed. [2022-11-23 15:26:30,825 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 211 235) no Hoare annotation was computed. [2022-11-23 15:26:30,825 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 414 425) no Hoare annotation was computed. [2022-11-23 15:26:30,826 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 414 425) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (< |old(~waterLevel~0)| 3))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse5 (= ~waterLevel~0 1)) (or .cse0 .cse5 .cse1 .cse3 (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3 (not (<= |old(~waterLevel~0)| 0))))) [2022-11-23 15:26:30,826 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse4) (or .cse2 .cse3 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1))))) [2022-11-23 15:26:30,826 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 237 261) no Hoare annotation was computed. [2022-11-23 15:26:30,826 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 237 261) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse4) (or .cse2 .cse3 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)))) [2022-11-23 15:26:30,826 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 237 261) no Hoare annotation was computed. [2022-11-23 15:26:30,826 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)))) [2022-11-23 15:26:30,827 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)))) [2022-11-23 15:26:30,827 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 253) no Hoare annotation was computed. [2022-11-23 15:26:30,827 INFO L895 garLoopResultBuilder]: At program point L241(lines 241 258) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse4) (or .cse2 .cse3 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)))) [2022-11-23 15:26:30,830 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:26:30,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:26:30,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:26:30 BoogieIcfgContainer [2022-11-23 15:26:30,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:26:30,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:26:30,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:26:30,932 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:26:30,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:30" (3/4) ... [2022-11-23 15:26:30,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:26:30,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-23 15:26:30,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 15:26:30,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 15:26:30,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-23 15:26:30,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 15:26:30,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 15:26:30,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 15:26:30,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 15:26:30,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-23 15:26:30,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-23 15:26:30,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 15:26:30,959 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 15:26:30,959 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:26:30,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:26:30,988 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) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && tmp == \result) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && retValue_acc == \result) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && retValue_acc == 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 15:26:30,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) < 3)) [2022-11-23 15:26:30,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) < 3))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || (tmp == methaneLevelCritical && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(\old(waterLevel) < 3))) && (((((((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel <= 0)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (waterLevel <= 0 && waterLevel <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || (((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) < 3))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || pumpRunning == 0) || !(#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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) [2022-11-23 15:26:30,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel < 3)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel < 3))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) [2022-11-23 15:26:30,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3))) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && waterLevel <= \old(waterLevel)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) < 3))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0))) && (((((((((((!(#NULL == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3)) [2022-11-23 15:26:30,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel < 3)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel < 3))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) [2022-11-23 15:26:30,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == systemActive) || (((tmp == methaneLevelCritical && methaneLevelCritical == tmp) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || ((\old(waterLevel) == waterLevel && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((((methaneLevelCritical == tmp && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel == 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (waterLevel <= 0 && waterLevel <= \old(waterLevel)))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && (((((((((pumpRunning == 0 && waterLevel <= 1) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= 0) && methaneLevelCritical == tmp)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && methaneLevelCritical == tmp)) || !(methaneLevelCritical == 1)) || ((\old(waterLevel) == waterLevel && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(\old(waterLevel) <= 0))) && (((((!(1 == systemActive) || (((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || pumpRunning == 0) || !(#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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) [2022-11-23 15:26:30,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && (((((((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((waterLevel == tmp___0 && (!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel))) && tmp == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || tmp___0 <= 0)) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || waterLevel <= \old(waterLevel)) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == methaneLevelCritical) && waterLevel <= 0) && methaneLevelCritical == tmp)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || (pumpRunning == 0 && 1 == systemActive)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(\old(pumpRunning) == 0) || ((((waterLevel == tmp___0 && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(1 == systemActive)) || ((((((pumpRunning == 0 && waterLevel <= 1) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) < 3))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(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)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || ((((pumpRunning == retValue_acc && \result == tmp___0) && \result == retValue_acc) && retValue_acc == waterLevel) && \result == tmp___1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && ((((((((tmp == methaneLevelCritical && methaneLevelCritical == tmp) && waterLevel == 1) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1))) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-23 15:26:30,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || tmp___0 <= 0)) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((waterLevel == tmp___0 && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel == tmp___0) && \old(waterLevel) == waterLevel) && methaneLevelCritical == tmp))) && ((((((((((waterLevel == tmp___0 && (!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(\old(waterLevel) < 3))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(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)) || (\result == tmp___0 && retValue_acc == waterLevel)) || !(\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)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))))) || ((((waterLevel == tmp___0 && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && methaneLevelCritical == tmp) && waterLevel < 3) && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || pumpRunning == 0) || !(#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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) [2022-11-23 15:26:30,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) < 3)) [2022-11-23 15:26:31,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((waterLevel <= 1 || tmp == 1) && pumpRunning == 0)) || !(waterLevel < 3)) && ((((((((((((((((((((((((((((((((((((((((((((!(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)) || !(2 <= waterLevel)) || !(\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)) || ((((\result == tmp && retValue_acc == tmp___0) && retValue_acc == \result) && ((tmp___0 == 1 && tmp == 0) || (tmp___0 == 0 && !(tmp == 0)))) && (((retValue_acc == \result && waterLevel < 2) && retValue_acc == 1) || ((retValue_acc == 0 && !(waterLevel < 2)) && retValue_acc == \result)))) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((waterLevel <= 1 || tmp == 1) && pumpRunning == 0)) || !(waterLevel < 3))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && ((((((((((((((((((((((((((((((((((((((((((((!(waterLevel == 1) || !(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])) || (((((tmp == \result && \result == tmp) && retValue_acc == tmp___0) && retValue_acc == \result) && ((tmp___0 == 1 && tmp == 0) || (tmp___0 == 0 && !(tmp == 0)))) && (((retValue_acc == \result && waterLevel < 2) && retValue_acc == 1) || ((retValue_acc == 0 && !(waterLevel < 2)) && retValue_acc == \result)))) || !(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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) [2022-11-23 15:26:31,030 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:26:31,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:26:31,031 INFO L158 Benchmark]: Toolchain (without parser) took 121381.65ms. Allocated memory was 224.4MB in the beginning and 696.3MB in the end (delta: 471.9MB). Free memory was 184.5MB in the beginning and 458.4MB in the end (delta: -273.9MB). Peak memory consumption was 198.8MB. Max. memory is 16.1GB. [2022-11-23 15:26:31,031 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:26:31,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.26ms. Allocated memory is still 224.4MB. Free memory was 183.7MB in the beginning and 164.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 15:26:31,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.93ms. Allocated memory is still 224.4MB. Free memory was 164.6MB in the beginning and 162.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:26:31,032 INFO L158 Benchmark]: Boogie Preprocessor took 30.72ms. Allocated memory is still 224.4MB. Free memory was 162.7MB in the beginning and 160.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:26:31,033 INFO L158 Benchmark]: RCFGBuilder took 761.71ms. Allocated memory is still 224.4MB. Free memory was 160.6MB in the beginning and 133.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 15:26:31,033 INFO L158 Benchmark]: TraceAbstraction took 120001.25ms. Allocated memory was 224.4MB in the beginning and 696.3MB in the end (delta: 471.9MB). Free memory was 132.8MB in the beginning and 464.6MB in the end (delta: -331.8MB). Peak memory consumption was 381.2MB. Max. memory is 16.1GB. [2022-11-23 15:26:31,033 INFO L158 Benchmark]: Witness Printer took 99.05ms. Allocated memory is still 696.3MB. Free memory was 464.6MB in the beginning and 458.4MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:26:31,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.26ms. Allocated memory is still 224.4MB. Free memory was 183.7MB in the beginning and 164.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.93ms. Allocated memory is still 224.4MB. Free memory was 164.6MB in the beginning and 162.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.72ms. Allocated memory is still 224.4MB. Free memory was 162.7MB in the beginning and 160.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.71ms. Allocated memory is still 224.4MB. Free memory was 160.6MB in the beginning and 133.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 120001.25ms. Allocated memory was 224.4MB in the beginning and 696.3MB in the end (delta: 471.9MB). Free memory was 132.8MB in the beginning and 464.6MB in the end (delta: -331.8MB). Peak memory consumption was 381.2MB. Max. memory is 16.1GB. * Witness Printer took 99.05ms. Allocated memory is still 696.3MB. Free memory was 464.6MB in the beginning and 458.4MB 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 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 119.8s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 39.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3428 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3386 mSDsluCounter, 4194 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3239 mSDsCounter, 2127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8514 IncrementalHoareTripleChecker+Invalid, 10641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2127 mSolverCounterUnsat, 955 mSDtfsCounter, 8514 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1140 GetRequests, 710 SyntacticMatches, 34 SemanticMatches, 396 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13120 ImplicationChecksByTransitivity, 46.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1912occurred in iteration=12, InterpolantAutomatonStates: 229, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 906 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 3561 PreInvPairs, 4099 NumberOfFragments, 7184 HoareAnnotationTreeSize, 3561 FomulaSimplifications, 16163 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 174744 FormulaSimplificationTreeSizeReductionInter, 34.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 968 NumberOfCodeBlocks, 968 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1215 ConstructedInterpolants, 0 QuantifiedInterpolants, 4593 SizeOfPredicates, 45 NumberOfNonLiveVariables, 1528 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 250/402 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: 6.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 12, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 103, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 125, TOOLS_POST_TIME: 1.9s, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME: 2.7s, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME: 1.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 236, TOOLS_QUANTIFIERELIM_TIME: 5.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 305, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 44, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 103, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 3.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 12, 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: 1329, DAG_COMPRESSION_RETAINED_NODES: 278, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel < 3)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel < 3))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == systemActive) || (((tmp == methaneLevelCritical && methaneLevelCritical == tmp) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || ((\old(waterLevel) == waterLevel && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((((methaneLevelCritical == tmp && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel == 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (waterLevel <= 0 && waterLevel <= \old(waterLevel)))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && (((((((((pumpRunning == 0 && waterLevel <= 1) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && tmp == methaneLevelCritical) && waterLevel <= 0) && methaneLevelCritical == tmp)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && methaneLevelCritical == tmp)) || !(methaneLevelCritical == 1)) || ((\old(waterLevel) == waterLevel && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(\old(waterLevel) <= 0))) && (((((!(1 == systemActive) || (((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || pumpRunning == 0) || !(#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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) < 3)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel < 3)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel < 3))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) < 3)) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3))) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && waterLevel <= \old(waterLevel)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) < 3))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0))) && (((((((((((!(#NULL == 0) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || ((((1 == systemActive && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel < 3) && pumpRunning == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) < 3))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || (tmp == methaneLevelCritical && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(\old(waterLevel) < 3))) && (((((((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel <= 0)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (waterLevel <= 0 && waterLevel <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || (((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) < 3))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || pumpRunning == 0) || !(#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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((waterLevel <= 1 || tmp == 1) && pumpRunning == 0)) || !(waterLevel < 3)) && ((((((((((((((((((((((((((((((((((((((((((((!(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)) || !(2 <= waterLevel)) || !(\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)) || ((((\result == tmp && retValue_acc == tmp___0) && retValue_acc == \result) && ((tmp___0 == 1 && tmp == 0) || (tmp___0 == 0 && !(tmp == 0)))) && (((retValue_acc == \result && waterLevel < 2) && retValue_acc == 1) || ((retValue_acc == 0 && !(waterLevel < 2)) && retValue_acc == \result)))) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((waterLevel <= 1 || tmp == 1) && pumpRunning == 0)) || !(waterLevel < 3))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && ((((((((((((((((((((((((((((((((((((((((((((!(waterLevel == 1) || !(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])) || (((((tmp == \result && \result == tmp) && retValue_acc == tmp___0) && retValue_acc == \result) && ((tmp___0 == 1 && tmp == 0) || (tmp___0 == 0 && !(tmp == 0)))) && (((retValue_acc == \result && waterLevel < 2) && retValue_acc == 1) || ((retValue_acc == 0 && !(waterLevel < 2)) && retValue_acc == \result)))) || !(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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && (((((((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((waterLevel == tmp___0 && (!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel))) && tmp == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || tmp___0 <= 0)) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || waterLevel <= \old(waterLevel)) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == methaneLevelCritical) && waterLevel <= 0) && methaneLevelCritical == tmp)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || (pumpRunning == 0 && 1 == systemActive)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(\old(pumpRunning) == 0) || ((((waterLevel == tmp___0 && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(1 == systemActive)) || ((((((pumpRunning == 0 && waterLevel <= 1) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) < 3))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1)))) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(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)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || ((((pumpRunning == retValue_acc && \result == tmp___0) && \result == retValue_acc) && retValue_acc == waterLevel) && \result == tmp___1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && ((((((((tmp == methaneLevelCritical && methaneLevelCritical == tmp) && waterLevel == 1) && (waterLevel <= 0 || (pumpRunning == 0 && waterLevel <= 1))) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || tmp___0 <= 0)) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((waterLevel == tmp___0 && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel == tmp___0) && \old(waterLevel) == waterLevel) && methaneLevelCritical == tmp))) && ((((((((((waterLevel == tmp___0 && (!(0 < waterLevel) || waterLevel + 1 <= \old(waterLevel))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(\old(waterLevel) < 3))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(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)) || (\result == tmp___0 && retValue_acc == waterLevel)) || !(\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)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((((((((!(#NULL == 0) || ((retValue_acc == \result && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && tmp == \result)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel == tmp___0) && 1 == systemActive) && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && methaneLevelCritical == tmp)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive))))) || ((((waterLevel == tmp___0 && (!(\old(pumpRunning) == 0) || (\old(waterLevel) <= waterLevel && !(0 == systemActive)))) && methaneLevelCritical == tmp) && waterLevel < 3) && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || pumpRunning == 0) || !(#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])) || !(\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)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(methaneLevelCritical <= 0)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(0 <= methaneLevelCritical)) || !(#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)) - InvariantResult [Line: 985]: 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) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && tmp == \result) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && retValue_acc == \result) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && retValue_acc == 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: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:26:31,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf8732b-7a3d-4aad-a165-0669ae87f8c5/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