./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI --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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- 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-5e519f3 [2022-11-03 02:34:26,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:34:26,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:34:26,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:34:26,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:34:26,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:34:26,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:34:26,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:34:26,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:34:26,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:34:26,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:34:26,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:34:26,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:34:26,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:34:26,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:34:26,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:34:26,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:34:26,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:34:26,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:34:26,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:34:26,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:34:26,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:34:26,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:34:26,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:34:26,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:34:26,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:34:26,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:34:26,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:34:26,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:34:26,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:34:26,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:34:26,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:34:26,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:34:26,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:34:26,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:34:26,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:34:26,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:34:27,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:34:27,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:34:27,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:34:27,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:34:27,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:34:27,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:34:27,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:34:27,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:34:27,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:34:27,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:34:27,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:34:27,051 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:34:27,051 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:34:27,051 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:34:27,052 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:34:27,052 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:34:27,052 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:34:27,052 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:34:27,053 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:34:27,053 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:34:27,053 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:34:27,053 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:34:27,053 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:34:27,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:34:27,055 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:34:27,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:34:27,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:34:27,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:34:27,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:34:27,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:34:27,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:34:27,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:34:27,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:34:27,057 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:34:27,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:34:27,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:34:27,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:34:27,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:34:27,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:34:27,058 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:34:27,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:34:27,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:34:27,059 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:34:27,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:34:27,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:34:27,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:34:27,066 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_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2022-11-03 02:34:27,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:34:27,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:34:27,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:34:27,464 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:34:27,465 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:34:27,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-03 02:34:27,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/data/cafcc934a/c77364bd880e4a8bad2eb7c2eb8d1f12/FLAGe50259246 [2022-11-03 02:34:28,341 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:34:28,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-03 02:34:28,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/data/cafcc934a/c77364bd880e4a8bad2eb7c2eb8d1f12/FLAGe50259246 [2022-11-03 02:34:28,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/data/cafcc934a/c77364bd880e4a8bad2eb7c2eb8d1f12 [2022-11-03 02:34:28,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:34:28,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:34:28,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:34:28,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:34:28,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:34:28,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:34:28" (1/1) ... [2022-11-03 02:34:28,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722ec630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:28, skipping insertion in model container [2022-11-03 02:34:28,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:34:28" (1/1) ... [2022-11-03 02:34:28,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:34:28,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:34:29,089 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_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-03 02:34:29,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:29,110 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:34:29,236 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_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-03 02:34:29,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:29,274 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:34:29,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29 WrapperNode [2022-11-03 02:34:29,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:34:29,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:29,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:34:29,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:34:29,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,369 INFO L138 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 194 [2022-11-03 02:34:29,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:29,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:34:29,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:34:29,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:34:29,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:34:29,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:34:29,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:34:29,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:34:29,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (1/1) ... [2022-11-03 02:34:29,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:34:29,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:29,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:34:29,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:34:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:34:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 02:34:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 02:34:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 02:34:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 02:34:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 02:34:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 02:34:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 02:34:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 02:34:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:34:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 02:34:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 02:34:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:34:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:34:29,682 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:34:29,685 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:34:30,153 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:34:30,346 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:34:30,353 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:34:30,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:34:30 BoogieIcfgContainer [2022-11-03 02:34:30,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:34:30,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:34:30,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:34:30,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:34:30,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:34:28" (1/3) ... [2022-11-03 02:34:30,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6dd2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:34:30, skipping insertion in model container [2022-11-03 02:34:30,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:29" (2/3) ... [2022-11-03 02:34:30,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6dd2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:34:30, skipping insertion in model container [2022-11-03 02:34:30,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:34:30" (3/3) ... [2022-11-03 02:34:30,371 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2022-11-03 02:34:30,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:34:30,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:34:30,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:34:30,503 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;@56dfef3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:34:30,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:34:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-03 02:34:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:34:30,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:30,529 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:30,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:30,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1363588587, now seen corresponding path program 1 times [2022-11-03 02:34:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:30,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914020411] [2022-11-03 02:34:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:34:30,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:30,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914020411] [2022-11-03 02:34:30,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914020411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:30,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:30,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:34:30,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798247189] [2022-11-03 02:34:30,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:30,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:34:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:30,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:34:30,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:34:30,985 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-11-03 02:34:31,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:31,104 INFO L93 Difference]: Finished difference Result 82 states and 109 transitions. [2022-11-03 02:34:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:34:31,108 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 19 [2022-11-03 02:34:31,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:31,118 INFO L225 Difference]: With dead ends: 82 [2022-11-03 02:34:31,118 INFO L226 Difference]: Without dead ends: 37 [2022-11-03 02:34:31,130 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 [2022-11-03 02:34:31,135 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 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 [2022-11-03 02:34:31,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:34:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-03 02:34:31,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-03 02:34:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 27 states have internal predecessors, (30), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-03 02:34:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-11-03 02:34:31,207 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 19 [2022-11-03 02:34:31,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:31,208 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-11-03 02:34:31,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-11-03 02:34:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-03 02:34:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:34:31,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:31,214 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:31,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:34:31,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:31,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:31,217 INFO L85 PathProgramCache]: Analyzing trace with hash 768551535, now seen corresponding path program 1 times [2022-11-03 02:34:31,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:31,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650871473] [2022-11-03 02:34:31,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:31,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:34:31,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:31,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650871473] [2022-11-03 02:34:31,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650871473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:31,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:31,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:31,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715605061] [2022-11-03 02:34:31,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:31,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:31,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:31,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:31,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:31,379 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-03 02:34:31,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:31,434 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-11-03 02:34:31,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 20 [2022-11-03 02:34:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:31,436 INFO L225 Difference]: With dead ends: 51 [2022-11-03 02:34:31,436 INFO L226 Difference]: Without dead ends: 29 [2022-11-03 02:34:31,437 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 [2022-11-03 02:34:31,439 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 7 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 41 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 [2022-11-03 02:34:31,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 41 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:34:31,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-03 02:34:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-03 02:34:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.263157894736842) internal successors, (24), 22 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-03 02:34:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2022-11-03 02:34:31,448 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 20 [2022-11-03 02:34:31,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:31,448 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2022-11-03 02:34:31,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-03 02:34:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-03 02:34:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:34:31,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:31,450 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] [2022-11-03 02:34:31,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:34:31,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:31,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1427313991, now seen corresponding path program 1 times [2022-11-03 02:34:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:31,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118506693] [2022-11-03 02:34:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:31,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:34:31,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:31,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118506693] [2022-11-03 02:34:31,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118506693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:31,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:31,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:34:31,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844437310] [2022-11-03 02:34:31,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:31,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:34:31,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:31,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:34:31,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:34:31,717 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-11-03 02:34:31,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:31,868 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-11-03 02:34:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:34:31,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 22 [2022-11-03 02:34:31,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:31,870 INFO L225 Difference]: With dead ends: 55 [2022-11-03 02:34:31,870 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:34:31,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:34:31,873 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:31,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 68 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:34:31,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:34:31,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:34:31,875 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) [2022-11-03 02:34:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:34:31,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-03 02:34:31,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:31,876 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:34:31,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-11-03 02:34:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:34:31,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:34:31,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:34:31,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:34:31,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:34:32,018 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2022-11-03 02:34:32,018 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2022-11-03 02:34:32,018 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 810 839) no Hoare annotation was computed. [2022-11-03 02:34:32,019 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2022-11-03 02:34:32,019 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 810 839) the Hoare annotation is: true [2022-11-03 02:34:32,019 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2022-11-03 02:34:32,019 INFO L902 garLoopResultBuilder]: At program point L824-1(lines 824 828) the Hoare annotation is: true [2022-11-03 02:34:32,020 INFO L902 garLoopResultBuilder]: At program point L820-2(lines 820 834) the Hoare annotation is: true [2022-11-03 02:34:32,020 INFO L902 garLoopResultBuilder]: At program point L816(line 816) the Hoare annotation is: true [2022-11-03 02:34:32,020 INFO L899 garLoopResultBuilder]: For program point L816-1(line 816) no Hoare annotation was computed. [2022-11-03 02:34:32,021 INFO L902 garLoopResultBuilder]: At program point L835(lines 810 839) the Hoare annotation is: true [2022-11-03 02:34:32,021 INFO L902 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: true [2022-11-03 02:34:32,021 INFO L899 garLoopResultBuilder]: For program point L205-1(line 205) no Hoare annotation was computed. [2022-11-03 02:34:32,021 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-03 02:34:32,022 INFO L902 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: true [2022-11-03 02:34:32,022 INFO L902 garLoopResultBuilder]: At program point L190-1(line 190) the Hoare annotation is: true [2022-11-03 02:34:32,022 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 217) no Hoare annotation was computed. [2022-11-03 02:34:32,023 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 220) no Hoare annotation was computed. [2022-11-03 02:34:32,023 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 195 223) the Hoare annotation is: true [2022-11-03 02:34:32,023 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 214) no Hoare annotation was computed. [2022-11-03 02:34:32,023 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 667 693) the Hoare annotation is: true [2022-11-03 02:34:32,024 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 667 693) no Hoare annotation was computed. [2022-11-03 02:34:32,024 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 804) no Hoare annotation was computed. [2022-11-03 02:34:32,024 INFO L895 garLoopResultBuilder]: At program point L642-2(lines 634 647) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:34:32,025 INFO L899 garLoopResultBuilder]: For program point L605(lines 604 651) no Hoare annotation was computed. [2022-11-03 02:34:32,025 INFO L895 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:34:32,025 INFO L902 garLoopResultBuilder]: At program point L655(lines 594 659) the Hoare annotation is: true [2022-11-03 02:34:32,026 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2022-11-03 02:34:32,026 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2022-11-03 02:34:32,026 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:34:32,026 INFO L895 garLoopResultBuilder]: At program point L652(lines 603 653) the Hoare annotation is: false [2022-11-03 02:34:32,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:34:32,027 INFO L895 garLoopResultBuilder]: At program point L892(lines 892 899) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-03 02:34:32,027 INFO L902 garLoopResultBuilder]: At program point L892-2(lines 892 899) the Hoare annotation is: true [2022-11-03 02:34:32,028 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 630) no Hoare annotation was computed. [2022-11-03 02:34:32,028 INFO L895 garLoopResultBuilder]: At program point L624-1(lines 624 630) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:34:32,028 INFO L895 garLoopResultBuilder]: At program point L649(lines 604 651) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:34:32,028 INFO L895 garLoopResultBuilder]: At program point L616(line 616) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:34:32,029 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2022-11-03 02:34:32,029 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2022-11-03 02:34:32,029 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2022-11-03 02:34:32,030 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2022-11-03 02:34:32,034 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-03 02:34:32,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:34:32,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:34:32 BoogieIcfgContainer [2022-11-03 02:34:32,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:34:32,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:34:32,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:34:32,054 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:34:32,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:34:30" (3/4) ... [2022-11-03 02:34:32,059 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:34:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 02:34:32,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 02:34:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 02:34:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 02:34:32,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 02:34:32,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2022-11-03 02:34:32,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-03 02:34:32,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 02:34:32,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:34:32,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:34:32,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:34:32,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:34:32,159 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:34:32,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:34:32,160 INFO L158 Benchmark]: Toolchain (without parser) took 3579.32ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 51.2MB in the beginning and 51.3MB in the end (delta: -148.0kB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-11-03 02:34:32,161 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:34:32,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.19ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 60.7MB in the end (delta: -9.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:34:32,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.02ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:34:32,162 INFO L158 Benchmark]: Boogie Preprocessor took 64.72ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 56.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:34:32,163 INFO L158 Benchmark]: RCFGBuilder took 921.15ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.8MB in the beginning and 85.3MB in the end (delta: -28.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-03 02:34:32,164 INFO L158 Benchmark]: TraceAbstraction took 1692.95ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 56.4MB in the end (delta: 28.6MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-03 02:34:32,164 INFO L158 Benchmark]: Witness Printer took 105.96ms. Allocated memory is still 113.2MB. Free memory was 56.4MB in the beginning and 51.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:34:32,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.19ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 60.7MB in the end (delta: -9.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.02ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.72ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 56.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 921.15ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.8MB in the beginning and 85.3MB in the end (delta: -28.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1692.95ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 56.4MB in the end (delta: 28.6MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Witness Printer took 105.96ms. Allocated memory is still 113.2MB. Free memory was 56.4MB in the beginning and 51.3MB in the end (delta: 5.1MB). 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: 804]: 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 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 84 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 76 PreInvPairs, 86 NumberOfFragments, 59 HoareAnnotationTreeSize, 76 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 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: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:34:32,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa3f8b8-41be-4d7a-9835-ad3dbb88d934/bin/utaipan-7li7fVZpFI/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