./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS --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 bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- 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-8393723 [2022-11-19 07:31:28,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:31:28,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:31:28,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:31:28,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:31:28,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:31:28,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:31:28,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:31:28,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:31:28,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:31:28,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:31:28,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:31:28,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:31:28,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:31:28,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:31:28,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:31:28,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:31:28,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:31:28,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:31:28,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:31:28,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:31:28,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:31:28,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:31:28,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:31:28,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:31:28,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:31:28,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:31:28,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:31:28,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:31:28,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:31:28,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:31:28,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:31:28,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:31:28,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:31:28,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:31:28,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:31:28,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:31:28,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:31:28,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:31:28,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:31:28,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:31:28,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:31:28,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:31:28,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:31:28,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:31:28,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:31:28,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:31:28,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:31:28,990 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:31:28,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:31:28,990 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:31:28,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:31:28,992 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:31:28,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:31:28,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:31:28,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:31:28,992 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:31:28,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:31:28,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:31:28,993 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:31:28,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:31:28,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:31:28,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:31:28,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:31:28,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:31:28,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:31:28,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:31:28,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:31:28,997 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:31:28,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:31:28,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:31:28,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:31:28,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:31:28,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:31:28,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:28,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:31:28,999 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:31:29,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:31:29,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:31:29,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:31:29,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:31:29,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:31:29,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:31:29,002 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_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2022-11-19 07:31:29,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:31:29,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:31:29,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:31:29,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:31:29,346 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:31:29,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-19 07:31:29,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/data/b54fb5a0b/260497efec3941c7a205049d561ce0fa/FLAG80e25c744 [2022-11-19 07:31:30,030 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:31:30,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-19 07:31:30,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/data/b54fb5a0b/260497efec3941c7a205049d561ce0fa/FLAG80e25c744 [2022-11-19 07:31:30,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/data/b54fb5a0b/260497efec3941c7a205049d561ce0fa [2022-11-19 07:31:30,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:31:30,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:31:30,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:30,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:31:30,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:31:30,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb3444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30, skipping insertion in model container [2022-11-19 07:31:30,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:31:30,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:31:30,605 WARN L234 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_f23b1ede-6662-4c0c-a052-3704b52f9f02/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-19 07:31:30,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:30,716 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:31:30,730 WARN L234 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_f23b1ede-6662-4c0c-a052-3704b52f9f02/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-19 07:31:30,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:30,843 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:31:30,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30 WrapperNode [2022-11-19 07:31:30,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:30,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:30,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:31:30,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:31:30,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,908 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 137 [2022-11-19 07:31:30,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:30,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:31:30,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:31:30,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:31:30,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:31:30,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:31:30,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:31:30,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:31:30,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (1/1) ... [2022-11-19 07:31:30,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:30,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:31,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:31:31,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:31:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:31:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:31:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:31:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:31:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:31:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:31:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:31:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:31:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:31:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:31:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:31:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:31:31,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:31:31,192 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:31:31,519 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:31:31,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:31:31,684 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:31:31,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:31:31 BoogieIcfgContainer [2022-11-19 07:31:31,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:31:31,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:31:31,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:31:31,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:31:31,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:31:30" (1/3) ... [2022-11-19 07:31:31,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6674982a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:31:31, skipping insertion in model container [2022-11-19 07:31:31,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:30" (2/3) ... [2022-11-19 07:31:31,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6674982a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:31:31, skipping insertion in model container [2022-11-19 07:31:31,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:31:31" (3/3) ... [2022-11-19 07:31:31,722 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2022-11-19 07:31:31,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:31:31,743 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:31:31,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:31:31,801 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;@600ad5bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:31:31,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:31:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:31:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:31:31,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:31,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:31,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:31,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1916097941, now seen corresponding path program 1 times [2022-11-19 07:31:31,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:31,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168696604] [2022-11-19 07:31:31,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:31,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:31,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:31,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168696604] [2022-11-19 07:31:31,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168696604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:31,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:31,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:31:31,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139823850] [2022-11-19 07:31:31,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:31,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:31:31,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:32,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:31:32,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:31:32,030 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:31:32,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:32,087 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2022-11-19 07:31:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:31:32,091 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 07:31:32,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:32,105 INFO L225 Difference]: With dead ends: 68 [2022-11-19 07:31:32,108 INFO L226 Difference]: Without dead ends: 30 [2022-11-19 07:31:32,111 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 [2022-11-19 07:31:32,117 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:32,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:31:32,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-19 07:31:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-19 07:31:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:31:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-19 07:31:32,168 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 10 [2022-11-19 07:31:32,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:32,169 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-19 07:31:32,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:31:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-19 07:31:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:31:32,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:32,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:32,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:31:32,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:32,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:32,172 INFO L85 PathProgramCache]: Analyzing trace with hash -626163541, now seen corresponding path program 1 times [2022-11-19 07:31:32,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:32,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279106483] [2022-11-19 07:31:32,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:32,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:32,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:32,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279106483] [2022-11-19 07:31:32,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279106483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:32,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:32,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:31:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362268342] [2022-11-19 07:31:32,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:32,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:31:32,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:32,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:31:32,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:31:32,269 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:31:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:32,300 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-19 07:31:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:31:32,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 07:31:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:32,301 INFO L225 Difference]: With dead ends: 37 [2022-11-19 07:31:32,301 INFO L226 Difference]: Without dead ends: 22 [2022-11-19 07:31:32,302 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 [2022-11-19 07:31:32,303 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:32,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:31:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-19 07:31:32,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-19 07:31:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:31:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-19 07:31:32,309 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-11-19 07:31:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:32,310 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-19 07:31:32,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:31:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-19 07:31:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:31:32,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:32,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:32,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:31:32,312 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:32,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:32,313 INFO L85 PathProgramCache]: Analyzing trace with hash -553622356, now seen corresponding path program 1 times [2022-11-19 07:31:32,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:32,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783907580] [2022-11-19 07:31:32,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:32,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:32,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:32,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783907580] [2022-11-19 07:31:32,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783907580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:32,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:32,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:31:32,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112755197] [2022-11-19 07:31:32,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:32,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:31:32,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:32,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:31:32,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:31:32,718 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:31:32,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:32,779 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2022-11-19 07:31:32,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:31:32,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 07:31:32,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:32,783 INFO L225 Difference]: With dead ends: 58 [2022-11-19 07:31:32,783 INFO L226 Difference]: Without dead ends: 38 [2022-11-19 07:31:32,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:31:32,785 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:32,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 52 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:31:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-19 07:31:32,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-11-19 07:31:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:31:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-11-19 07:31:32,796 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2022-11-19 07:31:32,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:32,797 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-11-19 07:31:32,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:31:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-11-19 07:31:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 07:31:32,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:32,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:32,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:31:32,799 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:32,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash -991918038, now seen corresponding path program 1 times [2022-11-19 07:31:32,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:32,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343476123] [2022-11-19 07:31:32,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:32,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:33,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:33,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343476123] [2022-11-19 07:31:33,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343476123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:33,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:33,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:31:33,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415327314] [2022-11-19 07:31:33,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:33,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:31:33,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:33,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:31:33,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:31:33,167 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-19 07:31:33,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:33,312 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2022-11-19 07:31:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:31:33,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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 16 [2022-11-19 07:31:33,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:33,315 INFO L225 Difference]: With dead ends: 81 [2022-11-19 07:31:33,315 INFO L226 Difference]: Without dead ends: 61 [2022-11-19 07:31:33,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:31:33,317 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:33,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 83 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:31:33,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-19 07:31:33,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2022-11-19 07:31:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 07:31:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2022-11-19 07:31:33,331 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 16 [2022-11-19 07:31:33,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:33,332 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2022-11-19 07:31:33,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-19 07:31:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-11-19 07:31:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:31:33,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:33,334 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:33,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:31:33,334 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:33,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:33,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1298318368, now seen corresponding path program 1 times [2022-11-19 07:31:33,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:33,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239820200] [2022-11-19 07:31:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:33,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:33,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:33,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239820200] [2022-11-19 07:31:33,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239820200] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:31:33,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297415170] [2022-11-19 07:31:33,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:33,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:33,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:33,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:33,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:31:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:33,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-19 07:31:33,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:34,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:31:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:35,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297415170] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:31:35,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [622225270] [2022-11-19 07:31:35,335 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-19 07:31:35,336 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:31:35,340 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:31:35,347 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:31:35,348 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:31:42,910 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 139 for LOIs [2022-11-19 07:31:42,941 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 48 for LOIs [2022-11-19 07:31:43,014 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:31:46,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [622225270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:46,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:31:46,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9, 9, 11] total 40 [2022-11-19 07:31:46,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608556621] [2022-11-19 07:31:46,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:46,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-19 07:31:46,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-19 07:31:46,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1417, Unknown=0, NotChecked=0, Total=1640 [2022-11-19 07:31:46,688 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:31:51,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:51,040 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2022-11-19 07:31:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 07:31:51,047 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-19 07:31:51,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:51,053 INFO L225 Difference]: With dead ends: 98 [2022-11-19 07:31:51,053 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 07:31:51,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2022-11-19 07:31:51,059 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 45 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:51,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 83 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:31:51,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 07:31:51,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 85. [2022-11-19 07:31:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 66 states have internal predecessors, (73), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:31:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2022-11-19 07:31:51,102 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 27 [2022-11-19 07:31:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:51,103 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2022-11-19 07:31:51,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:31:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2022-11-19 07:31:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 07:31:51,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:51,106 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:51,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:51,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:51,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:31:51,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:51,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2117057812, now seen corresponding path program 1 times [2022-11-19 07:31:51,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:51,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215361436] [2022-11-19 07:31:51,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:31:51,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:51,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215361436] [2022-11-19 07:31:51,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215361436] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:31:51,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796597779] [2022-11-19 07:31:51,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:51,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:31:51,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:51,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:31:51,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:31:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:51,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-19 07:31:51,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:52,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:31:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:31:52,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796597779] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:31:52,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1771972455] [2022-11-19 07:31:52,853 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-19 07:31:52,853 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:31:52,853 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:31:52,854 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:31:52,854 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:31:56,446 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2022-11-19 07:31:56,452 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 39 for LOIs [2022-11-19 07:31:56,484 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 24 for LOIs [2022-11-19 07:31:56,487 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:31:59,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1771972455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:59,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:31:59,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [9, 9, 12] total 41 [2022-11-19 07:31:59,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840903107] [2022-11-19 07:31:59,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:59,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-19 07:31:59,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:59,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-19 07:31:59,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1438, Unknown=0, NotChecked=0, Total=1640 [2022-11-19 07:31:59,861 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:32:06,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:32:06,471 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2022-11-19 07:32:06,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-19 07:32:06,471 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2022-11-19 07:32:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:32:06,472 INFO L225 Difference]: With dead ends: 125 [2022-11-19 07:32:06,472 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:32:06,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 56 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=418, Invalid=3122, Unknown=0, NotChecked=0, Total=3540 [2022-11-19 07:32:06,482 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 71 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:32:06,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 86 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:32:06,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:32:06,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:32:06,484 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) [2022-11-19 07:32:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:32:06,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-19 07:32:06,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:32:06,484 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:32:06,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:32:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:32:06,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:32:06,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:32:06,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:32:06,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:32:06,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:32:11,802 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 332 343) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= ~head~0.offset 0)) (not (= |#NULL.base| 0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:32:11,802 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 332 343) no Hoare annotation was computed. [2022-11-19 07:32:11,802 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 387 416) no Hoare annotation was computed. [2022-11-19 07:32:11,805 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 387 416) the Hoare annotation is: true [2022-11-19 07:32:11,805 INFO L902 garLoopResultBuilder]: At program point L412(lines 387 416) the Hoare annotation is: true [2022-11-19 07:32:11,806 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-19 07:32:11,806 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-19 07:32:11,806 INFO L902 garLoopResultBuilder]: At program point L401-1(lines 401 405) the Hoare annotation is: true [2022-11-19 07:32:11,806 INFO L902 garLoopResultBuilder]: At program point L397-2(lines 397 411) the Hoare annotation is: true [2022-11-19 07:32:11,806 INFO L902 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: true [2022-11-19 07:32:11,806 INFO L899 garLoopResultBuilder]: For program point L393-1(line 393) no Hoare annotation was computed. [2022-11-19 07:32:11,807 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:32:11,807 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2022-11-19 07:32:11,808 INFO L895 garLoopResultBuilder]: At program point L288(lines 288 301) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (and (= |timeShift_getWaterLevel_~retValue_acc~3#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~3#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification4_spec__1_~tmp~2#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (= |old(~waterLevel~0)| ~waterLevel~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:32:11,809 INFO L895 garLoopResultBuilder]: At program point L288-1(lines 280 304) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (<= ~systemActive~0 1))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~head~0.offset 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse5 (not (= |#NULL.base| 0))) (.cse6 (not (<= 0 |#StackHeapBarrier|))) (.cse7 (not (= ~head~0.base 0))) (.cse8 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |timeShift_getWaterLevel_#res#1| 2147483647) .cse6 .cse7 .cse8) (let ((.cse11 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~2#1| 0)) (.cse9 (= |timeShift_getWaterLevel_~retValue_acc~3#1| |timeShift_getWaterLevel_#res#1|)) (.cse10 (= |timeShift_getWaterLevel_~retValue_acc~3#1| ~waterLevel~0)) (.cse12 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~2#1| |timeShift_getWaterLevel_#res#1|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 .cse2 (and .cse9 .cse10 .cse11 (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) .cse12 .cse13 (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification4_spec__1_~tmp___0~1#1|)) .cse3 .cse4 .cse5 (and (not .cse11) .cse9 .cse10 .cse12 (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) .cse13) .cse6 .cse7 .cse8)))) [2022-11-19 07:32:11,809 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 72 95) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:32:11,810 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 72 95) no Hoare annotation was computed. [2022-11-19 07:32:11,810 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-19 07:32:11,810 INFO L895 garLoopResultBuilder]: At program point L258-2(lines 252 265) the Hoare annotation is: (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~9#1|) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |#NULL.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647) (<= ~systemActive~0 1)) [2022-11-19 07:32:11,810 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2022-11-19 07:32:11,811 INFO L895 garLoopResultBuilder]: At program point L242-1(lines 242 248) the Hoare annotation is: (let ((.cse27 (= |ULTIMATE.start_test_~tmp___0~0#1| 0))) (let ((.cse5 (not .cse27)) (.cse1 (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647)) (.cse4 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648))) (.cse0 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse15 (<= ~waterLevel~0 2147483647)) (.cse16 (= ~head~0.base 0)) (.cse18 (<= 0 |#StackHeapBarrier|)) (.cse20 (<= ~systemActive~0 1)) (.cse2 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse7 (= ~head~0.offset 0)) (.cse9 (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1)) (.cse10 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse11 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse26 (<= ~methaneLevelCritical~0 0)) (.cse12 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse13 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse24 (<= 0 ~head~0.base)) (.cse14 (<= 0 ~methaneLevelCritical~0)) (.cse25 (<= ~head~0.base 0)) (.cse17 (= |#NULL.offset| 0)) (.cse23 (= ~waterLevel~0 1)) (.cse19 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse21 (= ~cleanupTimeShifts~0 4)) (.cse22 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse16 .cse17 .cse23 .cse18 .cse19 .cse20 .cse21 .cse22) (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) .cse1 .cse2 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~9#1|) .cse4 (<= 0 ~head~0.offset) .cse6 .cse10 (<= |#NULL.offset| 0) (<= 4 ~cleanupTimeShifts~0) .cse11 (<= 0 (+ ~waterLevel~0 2147483648)) .cse12 .cse13 .cse24 (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= |#NULL.base| 0) .cse14 .cse15 (<= 0 ~pumpRunning~0) .cse25 (<= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) .cse18 .cse19 .cse20) (and .cse0 .cse2 .cse3 .cse6 (<= 0 ~systemActive~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse26 .cse12 .cse13 .cse27 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (let ((.cse28 (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) .cse2 (= (select |#valid| 15) 1) .cse3 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) .cse6 (= (select |#valid| 11) 1) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse7 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) .cse9 (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) .cse10 (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse11 .cse26 .cse12 (= (select |#valid| 4) 1) .cse13 .cse27 .cse24 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) .cse14 (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse25 (= (select |#valid| 2) 1) .cse17 (= 9 (select |#length| 11)) .cse23 (= (select .cse28 0) 48) (= (select |#valid| 6) 1) (= (select .cse28 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse19 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse21 .cse22))))) [2022-11-19 07:32:11,812 INFO L895 garLoopResultBuilder]: At program point L267(lines 222 269) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (let ((.cse1 (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) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse0 (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse1 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse1 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~9#1|) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |#NULL.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse0 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647) (<= ~systemActive~0 1)))) [2022-11-19 07:32:11,813 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse1 (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse4 (= |#NULL.offset| 0)) (.cse5 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse6 (= ~cleanupTimeShifts~0 4)) (.cse7 (= |#NULL.base| 0))) (or (and .cse0 (<= ~head~0.offset 0) (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) .cse1 (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse2 .cse3 (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) .cse4 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#StackHeapBarrier|) .cse5 (<= ~systemActive~0 1) .cse6 .cse7) (let ((.cse8 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) .cse0 (= 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) .cse1 (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse2 (= (select |#valid| 4) 1) .cse3 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) .cse4 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse8 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse8 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse5 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse6 .cse7)))) [2022-11-19 07:32:11,813 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:32:11,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:32:11,814 INFO L899 garLoopResultBuilder]: For program point L223(lines 222 269) no Hoare annotation was computed. [2022-11-19 07:32:11,814 INFO L895 garLoopResultBuilder]: At program point L471(lines 471 478) 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) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#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))) [2022-11-19 07:32:11,814 INFO L902 garLoopResultBuilder]: At program point L471-2(lines 471 478) the Hoare annotation is: true [2022-11-19 07:32:11,815 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (<= ~head~0.offset 0)) (.cse5 (<= 0 ~head~0.offset)) (.cse1 (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647)) (.cse2 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse20 (= ~pumpRunning~0 0)) (.cse3 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648))) (.cse4 (not (= |ULTIMATE.start_test_~tmp___0~0#1| 0))) (.cse6 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse7 (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1)) (.cse8 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse9 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse10 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse11 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse12 (<= 0 ~methaneLevelCritical~0)) (.cse13 (<= ~waterLevel~0 2147483647)) (.cse21 (= ~head~0.base 0)) (.cse14 (= |#NULL.offset| 0)) (.cse15 (<= 0 |#StackHeapBarrier|)) (.cse16 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse17 (<= ~systemActive~0 1)) (.cse18 (= ~cleanupTimeShifts~0 4)) (.cse19 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 0 (+ ~waterLevel~0 2147483648)) .cse10 .cse11 (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) .cse12 .cse13 (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) .cse14 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) .cse15 .cse16 .cse17 .cse18 .cse19) (let ((.cse22 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) .cse0 (= 30 (select |#length| 7)) .cse1 (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse20 .cse3 (= (select |#valid| 9) 1) .cse4 (= (select |#length| 12) 25) .cse5 (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) .cse7 (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse10 (= (select |#valid| 4) 1) .cse11 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse21 (= (select |#valid| 2) 1) .cse14 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse22 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse22 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse16 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse18 .cse19)) (and (not (= |ULTIMATE.start_test_~tmp~1#1| 0)) .cse1 .cse2 .cse20 .cse3 .cse4 .cse6 (<= 0 ~systemActive~0) (= ~head~0.offset 0) (<= 2 ~waterLevel~0) .cse7 .cse8 .cse9 (<= ~methaneLevelCritical~0 0) .cse10 .cse11 .cse12 .cse13 .cse21 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2022-11-19 07:32:11,816 INFO L902 garLoopResultBuilder]: At program point L273(lines 212 277) the Hoare annotation is: true [2022-11-19 07:32:11,816 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2022-11-19 07:32:11,816 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2022-11-19 07:32:11,816 INFO L895 garLoopResultBuilder]: At program point L270(lines 221 271) the Hoare annotation is: false [2022-11-19 07:32:11,816 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 320 331) no Hoare annotation was computed. [2022-11-19 07:32:11,816 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 320 331) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:32:11,821 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-19 07:32:11,823 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:32:11,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:32:11 BoogieIcfgContainer [2022-11-19 07:32:11,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:32:11,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:32:11,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:32:11,865 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:32:11,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:31:31" (3/4) ... [2022-11-19 07:32:11,869 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:32:11,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:32:11,876 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:32:11,876 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:32:11,876 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:32:11,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-19 07:32:11,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-19 07:32:11,900 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:32:11,900 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:32:11,900 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:32:11,927 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) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-19 07:32:11,927 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) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) [2022-11-19 07:32:11,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:32:11,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((!(tmp == 0) && tmp___0 <= 2147483647) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 0 <= systemActive) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((((((((((((((((((((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) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= head) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head <= 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) [2022-11-19 07:32:11,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || (((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:32:11,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || (((((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == 0) && pumpRunning == retValue_acc) && \result == retValue_acc) && tmp == \result) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((!(tmp == 0) && retValue_acc == \result) && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-11-19 07:32:11,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:32:11,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:32:11,948 INFO L158 Benchmark]: Toolchain (without parser) took 41599.03ms. Allocated memory was 113.2MB in the beginning and 352.3MB in the end (delta: 239.1MB). Free memory was 78.8MB in the beginning and 151.2MB in the end (delta: -72.4MB). Peak memory consumption was 165.2MB. Max. memory is 16.1GB. [2022-11-19 07:32:11,948 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:32:11,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.18ms. Allocated memory is still 113.2MB. Free memory was 78.6MB in the beginning and 81.8MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:32:11,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.69ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:32:11,949 INFO L158 Benchmark]: Boogie Preprocessor took 39.01ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:32:11,949 INFO L158 Benchmark]: RCFGBuilder took 737.28ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 88.8MB in the end (delta: -10.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-11-19 07:32:11,950 INFO L158 Benchmark]: TraceAbstraction took 40148.89ms. Allocated memory was 113.2MB in the beginning and 352.3MB in the end (delta: 239.1MB). Free memory was 87.7MB in the beginning and 156.5MB in the end (delta: -68.7MB). Peak memory consumption was 212.3MB. Max. memory is 16.1GB. [2022-11-19 07:32:11,950 INFO L158 Benchmark]: Witness Printer took 82.25ms. Allocated memory is still 352.3MB. Free memory was 155.4MB in the beginning and 151.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:32:11,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.18ms. Allocated memory is still 113.2MB. Free memory was 78.6MB in the beginning and 81.8MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.69ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.01ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 737.28ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 88.8MB in the end (delta: -10.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 40148.89ms. Allocated memory was 113.2MB in the beginning and 352.3MB in the end (delta: 239.1MB). Free memory was 87.7MB in the beginning and 156.5MB in the end (delta: -68.7MB). Peak memory consumption was 212.3MB. Max. memory is 16.1GB. * Witness Printer took 82.25ms. Allocated memory is still 352.3MB. Free memory was 155.4MB in the beginning and 151.2MB in the end (delta: 4.2MB). 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 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 231 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 887 IncrementalHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 126 mSDtfsCounter, 887 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 114 SyntacticMatches, 8 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 17.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 107 PreInvPairs, 170 NumberOfFragments, 2352 HoareAnnotationTreeSize, 107 FomulaSimplifications, 1219 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 21 FomulaSimplificationsInter, 7348 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 1671 SizeOfPredicates, 32 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 4/54 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: 11.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 65, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 81, TOOLS_POST_TIME: 2.3s, TOOLS_POST_CALL_APPLICATIONS: 41, TOOLS_POST_CALL_TIME: 5.8s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 2.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 158, TOOLS_QUANTIFIERELIM_TIME: 10.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 1.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 65, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 8.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 8.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, 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: 480, DAG_COMPRESSION_RETAINED_NODES: 151, 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: 54]: Loop Invariant Derived loop invariant: (((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 222]: 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) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) - InvariantResult [Line: 471]: 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) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && 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: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((!(tmp == 0) && tmp___0 <= 2147483647) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 0 <= systemActive) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((((((((((((((((((((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) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= head) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head <= 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || (((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || (((((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == 0) && pumpRunning == retValue_acc) && \result == retValue_acc) && tmp == \result) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((!(tmp == 0) && retValue_acc == \result) && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:32:11,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23b1ede-6662-4c0c-a052-3704b52f9f02/bin/utaipan-I9t0OCRTmS/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