./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta --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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- 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-dbf71c6-m [2022-10-17 17:42:00,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:42:00,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:42:00,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:42:00,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:42:00,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:42:00,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:42:00,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:42:00,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:42:00,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:42:00,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:42:00,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:42:00,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:42:00,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:42:00,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:42:00,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:42:00,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:42:00,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:42:00,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:42:00,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:42:00,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:42:00,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:42:00,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:42:00,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:42:00,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:42:00,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:42:00,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:42:00,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:42:00,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:42:00,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:42:00,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:42:00,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:42:00,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:42:00,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:42:00,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:42:00,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:42:00,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:42:00,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:42:00,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:42:00,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:42:00,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:42:00,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-10-17 17:42:00,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:42:00,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:42:00,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:42:00,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:42:00,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:42:00,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:42:00,925 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:42:00,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:42:00,925 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:42:00,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:42:00,926 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:42:00,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:42:00,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:42:00,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:42:00,926 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:42:00,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:42:00,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:42:00,927 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:42:00,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:42:00,928 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:42:00,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:42:00,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:42:00,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:42:00,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:42:00,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:42:00,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:42:00,941 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:42:00,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:42:00,941 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:42:00,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:42:00,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:42:00,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:42:00,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:42:00,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:42:00,943 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:42:00,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:42:00,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:42:00,943 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:42:00,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:42:00,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:42:00,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:42:00,944 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_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2022-10-17 17:42:01,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:42:01,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:42:01,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:42:01,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:42:01,319 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:42:01,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-10-17 17:42:01,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/data/760cce051/c982ef5455d645fb9dcdfafb6f6010c1/FLAGa39d1b056 [2022-10-17 17:42:02,013 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:42:02,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-10-17 17:42:02,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/data/760cce051/c982ef5455d645fb9dcdfafb6f6010c1/FLAGa39d1b056 [2022-10-17 17:42:02,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/data/760cce051/c982ef5455d645fb9dcdfafb6f6010c1 [2022-10-17 17:42:02,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:42:02,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:42:02,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:42:02,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:42:02,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:42:02,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2582e9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02, skipping insertion in model container [2022-10-17 17:42:02,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:42:02,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:42:02,648 WARN L230 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_23363048-51fd-4004-916b-c401e47f590c/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2022-10-17 17:42:02,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:42:02,714 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:42:02,784 WARN L230 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_23363048-51fd-4004-916b-c401e47f590c/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2022-10-17 17:42:02,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:42:02,833 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:42:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02 WrapperNode [2022-10-17 17:42:02,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:42:02,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:42:02,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:42:02,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:42:02,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,885 INFO L138 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 221 [2022-10-17 17:42:02,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:42:02,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:42:02,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:42:02,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:42:02,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,925 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:42:02,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:42:02,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:42:02,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:42:02,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (1/1) ... [2022-10-17 17:42:02,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:42:02,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:42:02,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:42:03,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:42:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:42:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 17:42:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 17:42:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 17:42:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 17:42:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 17:42:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 17:42:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 17:42:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 17:42:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-10-17 17:42:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-10-17 17:42:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 17:42:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 17:42:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:42:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 17:42:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 17:42:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:42:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:42:03,130 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:42:03,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:42:03,535 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:42:03,723 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:42:03,723 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:42:03,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:42:03 BoogieIcfgContainer [2022-10-17 17:42:03,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:42:03,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:42:03,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:42:03,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:42:03,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:42:02" (1/3) ... [2022-10-17 17:42:03,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acc3910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:42:03, skipping insertion in model container [2022-10-17 17:42:03,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:02" (2/3) ... [2022-10-17 17:42:03,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acc3910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:42:03, skipping insertion in model container [2022-10-17 17:42:03,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:42:03" (3/3) ... [2022-10-17 17:42:03,742 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2022-10-17 17:42:03,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:42:03,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:42:03,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:42:03,851 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;@773122a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:42:03,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:42:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-10-17 17:42:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:42:03,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:03,875 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:42:03,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:42:03,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:03,883 INFO L85 PathProgramCache]: Analyzing trace with hash 361433954, now seen corresponding path program 1 times [2022-10-17 17:42:03,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:03,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66174404] [2022-10-17 17:42:03,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:03,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:42:04,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:04,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66174404] [2022-10-17 17:42:04,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66174404] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:04,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:04,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 17:42:04,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370274291] [2022-10-17 17:42:04,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:04,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 17:42:04,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:04,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 17:42:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 17:42:04,186 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:42:04,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:42:04,247 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2022-10-17 17:42:04,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 17:42:04,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-10-17 17:42:04,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:42:04,258 INFO L225 Difference]: With dead ends: 116 [2022-10-17 17:42:04,259 INFO L226 Difference]: Without dead ends: 54 [2022-10-17 17:42:04,262 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 [2022-10-17 17:42:04,266 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 17:42:04,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 17:42:04,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-10-17 17:42:04,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-10-17 17:42:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-17 17:42:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2022-10-17 17:42:04,311 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2022-10-17 17:42:04,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:42:04,312 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2022-10-17 17:42:04,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:42:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-10-17 17:42:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:42:04,315 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:04,315 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:42:04,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:42:04,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:42:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:04,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1563861956, now seen corresponding path program 1 times [2022-10-17 17:42:04,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:04,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66178041] [2022-10-17 17:42:04,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:04,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:42:04,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:04,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66178041] [2022-10-17 17:42:04,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66178041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:04,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:04,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:42:04,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015267793] [2022-10-17 17:42:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:04,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:42:04,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:04,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:42:04,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:42:04,521 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:42:04,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:42:04,583 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2022-10-17 17:42:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:42:04,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-10-17 17:42:04,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:42:04,588 INFO L225 Difference]: With dead ends: 80 [2022-10-17 17:42:04,588 INFO L226 Difference]: Without dead ends: 46 [2022-10-17 17:42:04,595 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 [2022-10-17 17:42:04,597 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 17:42:04,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 17:42:04,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-10-17 17:42:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-10-17 17:42:04,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-10-17 17:42:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2022-10-17 17:42:04,611 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2022-10-17 17:42:04,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:42:04,611 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2022-10-17 17:42:04,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:42:04,611 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-10-17 17:42:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:42:04,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:04,613 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:42:04,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 17:42:04,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:42:04,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:04,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2012227643, now seen corresponding path program 1 times [2022-10-17 17:42:04,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:04,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666799331] [2022-10-17 17:42:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:04,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:42:04,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:04,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666799331] [2022-10-17 17:42:04,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666799331] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:04,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:04,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:42:04,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021950295] [2022-10-17 17:42:04,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:04,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:42:04,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:04,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:42:04,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:42:04,731 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 17:42:04,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:42:04,825 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-10-17 17:42:04,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:42:04,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-10-17 17:42:04,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:42:04,828 INFO L225 Difference]: With dead ends: 134 [2022-10-17 17:42:04,828 INFO L226 Difference]: Without dead ends: 90 [2022-10-17 17:42:04,829 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 [2022-10-17 17:42:04,831 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 44 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 17:42:04,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 109 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 17:42:04,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-10-17 17:42:04,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2022-10-17 17:42:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-17 17:42:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2022-10-17 17:42:04,852 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2022-10-17 17:42:04,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:42:04,853 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2022-10-17 17:42:04,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 17:42:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2022-10-17 17:42:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:42:04,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:04,856 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:42:04,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 17:42:04,856 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:42:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:04,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1169687054, now seen corresponding path program 1 times [2022-10-17 17:42:04,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:04,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142410702] [2022-10-17 17:42:04,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:04,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:42:05,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:05,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142410702] [2022-10-17 17:42:05,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142410702] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:05,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:05,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 17:42:05,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120364136] [2022-10-17 17:42:05,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:05,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 17:42:05,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:05,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 17:42:05,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 17:42:05,105 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:42:05,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:42:05,199 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-10-17 17:42:05,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 17:42:05,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-10-17 17:42:05,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:42:05,200 INFO L225 Difference]: With dead ends: 160 [2022-10-17 17:42:05,200 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 17:42:05,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-17 17:42:05,203 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 17:42:05,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 110 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 17:42:05,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 17:42:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 17:42:05,205 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) [2022-10-17 17:42:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 17:42:05,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-10-17 17:42:05,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:42:05,205 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 17:42:05,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:42:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 17:42:05,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:42:05,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 17:42:05,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 17:42:05,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 17:42:05,464 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 432 439) the Hoare annotation is: true [2022-10-17 17:42:05,465 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2022-10-17 17:42:05,465 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 391 397) no Hoare annotation was computed. [2022-10-17 17:42:05,466 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 391 397) the Hoare annotation is: true [2022-10-17 17:42:05,466 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 186 197) the Hoare annotation is: true [2022-10-17 17:42:05,466 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 186 197) no Hoare annotation was computed. [2022-10-17 17:42:05,466 INFO L895 garLoopResultBuilder]: At program point L378-1(lines 378 384) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,466 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 415) no Hoare annotation was computed. [2022-10-17 17:42:05,467 INFO L895 garLoopResultBuilder]: At program point L403(lines 403 420) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,467 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,467 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2022-10-17 17:42:05,467 INFO L899 garLoopResultBuilder]: For program point L371-2(lines 367 389) no Hoare annotation was computed. [2022-10-17 17:42:05,467 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:42:05,468 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,469 INFO L895 garLoopResultBuilder]: At program point L256-1(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,471 INFO L895 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:42:05,475 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:42:05,476 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 283) no Hoare annotation was computed. [2022-10-17 17:42:05,476 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2022-10-17 17:42:05,477 INFO L895 garLoopResultBuilder]: At program point L269-1(lines 261 289) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,477 INFO L895 garLoopResultBuilder]: At program point L418(line 418) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,477 INFO L895 garLoopResultBuilder]: At program point L418-1(lines 399 423) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,477 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2022-10-17 17:42:05,477 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 364 390) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:42:05,477 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 364 390) no Hoare annotation was computed. [2022-10-17 17:42:05,478 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2022-10-17 17:42:05,482 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-10-17 17:42:05,482 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-10-17 17:42:05,482 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-10-17 17:42:05,482 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-10-17 17:42:05,483 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-10-17 17:42:05,483 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-10-17 17:42:05,483 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-10-17 17:42:05,483 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-10-17 17:42:05,483 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-10-17 17:42:05,483 INFO L902 garLoopResultBuilder]: At program point L353(lines 292 357) the Hoare annotation is: true [2022-10-17 17:42:05,483 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2022-10-17 17:42:05,484 INFO L899 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2022-10-17 17:42:05,484 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: false [2022-10-17 17:42:05,484 INFO L895 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2022-10-17 17:42:05,484 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-10-17 17:42:05,484 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-10-17 17:42:05,484 INFO L895 garLoopResultBuilder]: At program point L338-2(lines 332 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:42:05,484 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2022-10-17 17:42:05,485 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2022-10-17 17:42:05,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 17:42:05,485 INFO L895 garLoopResultBuilder]: At program point L347(lines 302 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:42:05,485 INFO L895 garLoopResultBuilder]: At program point L314(line 314) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:42:05,485 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2022-10-17 17:42:05,485 INFO L895 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:42:05,486 INFO L899 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2022-10-17 17:42:05,486 INFO L895 garLoopResultBuilder]: At program point L142(lines 142 149) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-10-17 17:42:05,486 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2022-10-17 17:42:05,486 INFO L902 garLoopResultBuilder]: At program point L142-2(lines 142 149) the Hoare annotation is: true [2022-10-17 17:42:05,486 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:42:05,486 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 174 185) no Hoare annotation was computed. [2022-10-17 17:42:05,486 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 174 185) the Hoare annotation is: true [2022-10-17 17:42:05,487 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 451 459) no Hoare annotation was computed. [2022-10-17 17:42:05,487 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 451 459) the Hoare annotation is: true [2022-10-17 17:42:05,490 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-17 17:42:05,495 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 17:42:05,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 05:42:05 BoogieIcfgContainer [2022-10-17 17:42:05,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 17:42:05,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:42:05,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:42:05,516 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:42:05,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:42:03" (3/4) ... [2022-10-17 17:42:05,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:42:05,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 17:42:05,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 17:42:05,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 17:42:05,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 17:42:05,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 17:42:05,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 17:42:05,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-10-17 17:42:05,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2022-10-17 17:42:05,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 17:42:05,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:42:05,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 17:42:05,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:42:05,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:42:05,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:42:05,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:42:05,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:42:05,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:42:05,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:42:05,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-10-17 17:42:05,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:42:05,625 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/witness.graphml [2022-10-17 17:42:05,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:42:05,627 INFO L158 Benchmark]: Toolchain (without parser) took 3351.42ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 76.2MB in the beginning and 36.5MB in the end (delta: 39.7MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-10-17 17:42:05,627 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:42:05,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.77ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 64.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:42:05,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.97ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 61.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:42:05,628 INFO L158 Benchmark]: Boogie Preprocessor took 43.02ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:42:05,628 INFO L158 Benchmark]: RCFGBuilder took 796.31ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 60.1MB in the beginning and 95.8MB in the end (delta: -35.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-10-17 17:42:05,629 INFO L158 Benchmark]: TraceAbstraction took 1782.53ms. Allocated memory is still 121.6MB. Free memory was 95.3MB in the beginning and 41.8MB in the end (delta: 53.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-10-17 17:42:05,629 INFO L158 Benchmark]: Witness Printer took 109.78ms. Allocated memory is still 121.6MB. Free memory was 41.8MB in the beginning and 36.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:42:05,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.77ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 64.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.97ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 61.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.02ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.31ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 60.1MB in the beginning and 95.8MB in the end (delta: -35.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1782.53ms. Allocated memory is still 121.6MB. Free memory was 95.3MB in the beginning and 41.8MB in the end (delta: 53.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Witness Printer took 109.78ms. Allocated memory is still 121.6MB. Free memory was 41.8MB in the beginning and 36.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 516]: 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 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 203 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 188 PreInvPairs, 210 NumberOfFragments, 141 HoareAnnotationTreeSize, 188 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 297 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 378]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-10-17 17:42:05,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23363048-51fd-4004-916b-c401e47f590c/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE