./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0 --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 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 --- 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-e04fb08 [2022-11-16 16:24:38,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:24:38,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:24:38,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:24:38,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:24:38,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:24:38,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:24:38,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:24:38,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:24:38,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:24:38,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:24:38,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:24:38,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:24:38,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:24:38,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:24:38,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:24:38,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:24:38,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:24:38,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:24:38,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:24:38,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:24:38,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:24:38,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:24:38,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:24:38,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:24:38,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:24:38,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:24:38,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:24:38,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:24:38,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:24:38,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:24:38,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:24:38,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:24:38,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:24:38,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:24:38,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:24:38,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:24:38,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:24:38,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:24:38,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:24:38,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:24:38,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:24:39,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:24:39,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:24:39,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:24:39,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:24:39,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:24:39,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:24:39,011 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:24:39,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:24:39,012 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:24:39,012 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:24:39,012 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:24:39,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:24:39,012 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:24:39,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:24:39,013 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:24:39,013 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:24:39,013 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:24:39,013 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:24:39,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:24:39,014 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:24:39,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:24:39,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:24:39,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:24:39,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:24:39,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:24:39,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:24:39,015 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:24:39,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:24:39,016 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:24:39,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:24:39,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:24:39,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:24:39,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:24:39,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:24:39,017 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:24:39,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:24:39,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:24:39,017 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:24:39,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:24:39,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:24:39,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:24:39,018 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_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2022-11-16 16:24:39,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:24:39,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:24:39,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:24:39,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:24:39,341 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:24:39,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-11-16 16:24:39,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/data/3470bb08d/1470604d4c034c6cb9a2d5bf2ed7363d/FLAGd628d8e2d [2022-11-16 16:24:39,942 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:24:39,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-11-16 16:24:39,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/data/3470bb08d/1470604d4c034c6cb9a2d5bf2ed7363d/FLAGd628d8e2d [2022-11-16 16:24:40,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/data/3470bb08d/1470604d4c034c6cb9a2d5bf2ed7363d [2022-11-16 16:24:40,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:24:40,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:24:40,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:24:40,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:24:40,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:24:40,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b426172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40, skipping insertion in model container [2022-11-16 16:24:40,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:24:40,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:24:40,580 WARN L229 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_2e4a34d1-5a0a-4e36-a356-23a7b5027648/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-11-16 16:24:40,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:24:40,713 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:24:40,727 WARN L229 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_2e4a34d1-5a0a-4e36-a356-23a7b5027648/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-11-16 16:24:40,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:24:40,850 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:24:40,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40 WrapperNode [2022-11-16 16:24:40,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:24:40,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:24:40,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:24:40,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:24:40,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,923 INFO L138 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 193 [2022-11-16 16:24:40,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:24:40,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:24:40,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:24:40,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:24:40,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:24:40,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:24:40,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:24:40,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:24:40,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (1/1) ... [2022-11-16 16:24:40,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:24:41,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:24:41,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:24:41,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:24:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:24:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 16:24:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 16:24:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 16:24:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 16:24:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 16:24:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 16:24:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:24:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 16:24:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 16:24:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:24:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:24:41,134 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:24:41,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:24:41,513 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:24:41,640 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:24:41,640 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 16:24:41,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:24:41 BoogieIcfgContainer [2022-11-16 16:24:41,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:24:41,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:24:41,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:24:41,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:24:41,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:24:40" (1/3) ... [2022-11-16 16:24:41,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d867131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:24:41, skipping insertion in model container [2022-11-16 16:24:41,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:40" (2/3) ... [2022-11-16 16:24:41,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d867131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:24:41, skipping insertion in model container [2022-11-16 16:24:41,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:24:41" (3/3) ... [2022-11-16 16:24:41,653 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2022-11-16 16:24:41,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:24:41,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:24:41,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:24:41,733 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;@34790681, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:24:41,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:24:41,737 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) [2022-11-16 16:24:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:24:41,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:41,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:24:41,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:24:41,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:41,753 INFO L85 PathProgramCache]: Analyzing trace with hash 263950904, now seen corresponding path program 1 times [2022-11-16 16:24:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:24:41,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333831586] [2022-11-16 16:24:41,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:41,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:24:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:24:42,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:24:42,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333831586] [2022-11-16 16:24:42,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333831586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:24:42,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:24:42,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:24:42,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266386797] [2022-11-16 16:24:42,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:24:42,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 16:24:42,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:24:42,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 16:24:42,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:24:42,125 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) [2022-11-16 16:24:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:24:42,211 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2022-11-16 16:24:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 16:24:42,214 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 [2022-11-16 16:24:42,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:24:42,221 INFO L225 Difference]: With dead ends: 68 [2022-11-16 16:24:42,221 INFO L226 Difference]: Without dead ends: 30 [2022-11-16 16:24:42,225 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 [2022-11-16 16:24:42,229 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:24:42,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:24:42,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-16 16:24:42,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-16 16:24:42,272 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) [2022-11-16 16:24:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-16 16:24:42,275 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 10 [2022-11-16 16:24:42,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:24:42,276 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-16 16:24:42,277 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) [2022-11-16 16:24:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-16 16:24:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 16:24:42,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:42,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:24:42,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:24:42,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:24:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:42,282 INFO L85 PathProgramCache]: Analyzing trace with hash -625920408, now seen corresponding path program 1 times [2022-11-16 16:24:42,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:24:42,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453466958] [2022-11-16 16:24:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:42,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:24:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:24:42,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:24:42,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453466958] [2022-11-16 16:24:42,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453466958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:24:42,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:24:42,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:24:42,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813811905] [2022-11-16 16:24:42,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:24:42,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:24:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:24:42,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:24:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:24:42,453 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) [2022-11-16 16:24:42,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:24:42,496 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-16 16:24:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:24:42,497 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 [2022-11-16 16:24:42,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:24:42,500 INFO L225 Difference]: With dead ends: 37 [2022-11-16 16:24:42,502 INFO L226 Difference]: Without dead ends: 22 [2022-11-16 16:24:42,507 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 [2022-11-16 16:24:42,509 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 [2022-11-16 16:24:42,510 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] [2022-11-16 16:24:42,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-16 16:24:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-16 16:24:42,520 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) [2022-11-16 16:24:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-16 16:24:42,522 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-11-16 16:24:42,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:24:42,526 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-16 16:24:42,527 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) [2022-11-16 16:24:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-16 16:24:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 16:24:42,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:42,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:24:42,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:24:42,530 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:24:42,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:42,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1511208149, now seen corresponding path program 1 times [2022-11-16 16:24:42,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:24:42,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131799010] [2022-11-16 16:24:42,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:42,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:24:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:24:42,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:24:42,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131799010] [2022-11-16 16:24:42,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131799010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:24:42,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:24:42,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:24:42,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729111141] [2022-11-16 16:24:42,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:24:42,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:24:42,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:24:42,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:24:42,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:24:42,850 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) [2022-11-16 16:24:42,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:24:42,898 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-16 16:24:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:24:42,899 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 [2022-11-16 16:24:42,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:24:42,900 INFO L225 Difference]: With dead ends: 24 [2022-11-16 16:24:42,900 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 16:24:42,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:24:42,909 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:24:42,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 28 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 16:24:42,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 16:24:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 16:24:42,912 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) [2022-11-16 16:24:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 16:24:42,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-16 16:24:42,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:24:42,914 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 16:24:42,914 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) [2022-11-16 16:24:42,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 16:24:42,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 16:24:42,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 16:24:42,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 16:24:42,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 16:24:43,013 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 692 703) the Hoare annotation is: true [2022-11-16 16:24:43,014 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 692 703) no Hoare annotation was computed. [2022-11-16 16:24:43,014 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2022-11-16 16:24:43,014 INFO L902 garLoopResultBuilder]: At program point L798(lines 773 802) the Hoare annotation is: true [2022-11-16 16:24:43,015 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2022-11-16 16:24:43,015 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2022-11-16 16:24:43,015 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2022-11-16 16:24:43,016 INFO L902 garLoopResultBuilder]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2022-11-16 16:24:43,016 INFO L902 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2022-11-16 16:24:43,016 INFO L902 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: true [2022-11-16 16:24:43,016 INFO L899 garLoopResultBuilder]: For program point L779-1(line 779) no Hoare annotation was computed. [2022-11-16 16:24:43,016 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 764) no Hoare annotation was computed. [2022-11-16 16:24:43,018 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-16 16:24:43,019 INFO L902 garLoopResultBuilder]: At program point L754(lines 754 767) the Hoare annotation is: true [2022-11-16 16:24:43,019 INFO L902 garLoopResultBuilder]: At program point L754-1(lines 746 770) the Hoare annotation is: true [2022-11-16 16:24:43,019 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 546 569) the Hoare annotation is: true [2022-11-16 16:24:43,020 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 546 569) no Hoare annotation was computed. [2022-11-16 16:24:43,020 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-16 16:24:43,020 INFO L895 garLoopResultBuilder]: At program point L514-2(lines 508 521) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 16:24:43,020 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2022-11-16 16:24:43,021 INFO L895 garLoopResultBuilder]: At program point L498-1(lines 498 504) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 16:24:43,021 INFO L895 garLoopResultBuilder]: At program point L523(lines 478 525) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 16:24:43,021 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 16:24:43,021 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-16 16:24:43,021 INFO L895 garLoopResultBuilder]: At program point L854(lines 854 861) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-16 16:24:43,022 INFO L902 garLoopResultBuilder]: At program point L854-2(lines 854 861) the Hoare annotation is: true [2022-11-16 16:24:43,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 16:24:43,022 INFO L899 garLoopResultBuilder]: For program point L479(lines 478 525) no Hoare annotation was computed. [2022-11-16 16:24:43,022 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 16:24:43,022 INFO L902 garLoopResultBuilder]: At program point L529(lines 468 533) the Hoare annotation is: true [2022-11-16 16:24:43,023 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2022-11-16 16:24:43,023 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2022-11-16 16:24:43,023 INFO L895 garLoopResultBuilder]: At program point L526(lines 477 527) the Hoare annotation is: false [2022-11-16 16:24:43,025 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 680 691) no Hoare annotation was computed. [2022-11-16 16:24:43,026 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 680 691) the Hoare annotation is: true [2022-11-16 16:24:43,032 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 16:24:43,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:24:43,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:24:43 BoogieIcfgContainer [2022-11-16 16:24:43,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:24:43,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:24:43,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:24:43,052 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:24:43,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:24:41" (3/4) ... [2022-11-16 16:24:43,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 16:24:43,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 16:24:43,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 16:24:43,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 16:24:43,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 16:24:43,073 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2022-11-16 16:24:43,074 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-16 16:24:43,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-16 16:24:43,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 16:24:43,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 16:24:43,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:24:43,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:24:43,124 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:24:43,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:24:43,125 INFO L158 Benchmark]: Toolchain (without parser) took 2844.21ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 68.7MB in the end (delta: 47.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-11-16 16:24:43,126 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 47.0MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:24:43,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.52ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 118.4MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 16:24:43,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.98ms. Allocated memory is still 151.0MB. Free memory was 118.4MB in the beginning and 116.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:24:43,127 INFO L158 Benchmark]: Boogie Preprocessor took 51.70ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 114.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:24:43,127 INFO L158 Benchmark]: RCFGBuilder took 665.81ms. Allocated memory is still 151.0MB. Free memory was 114.8MB in the beginning and 86.7MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-16 16:24:43,127 INFO L158 Benchmark]: TraceAbstraction took 1405.28ms. Allocated memory is still 151.0MB. Free memory was 86.3MB in the beginning and 72.9MB in the end (delta: 13.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-11-16 16:24:43,128 INFO L158 Benchmark]: Witness Printer took 72.74ms. Allocated memory is still 151.0MB. Free memory was 72.9MB in the beginning and 68.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 16:24:43,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 47.0MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.52ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 118.4MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.98ms. Allocated memory is still 151.0MB. Free memory was 118.4MB in the beginning and 116.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.70ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 114.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.81ms. Allocated memory is still 151.0MB. Free memory was 114.8MB in the beginning and 86.7MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1405.28ms. Allocated memory is still 151.0MB. Free memory was 86.3MB in the beginning and 72.9MB in the end (delta: 13.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 72.74ms. Allocated memory is still 151.0MB. Free memory was 72.9MB in the beginning and 68.7MB 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: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 60 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 48 PreInvPairs, 58 NumberOfFragments, 56 HoareAnnotationTreeSize, 48 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 16:24:43,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4a34d1-5a0a-4e36-a356-23a7b5027648/bin/utaipan-Xvt2sAort0/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