./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 8393723b 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_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/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_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-19 07:51:00,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:51:00,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:51:00,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:51:00,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:51:00,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:51:01,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:51:01,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:51:01,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:51:01,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:51:01,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:51:01,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:51:01,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:51:01,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:51:01,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:51:01,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:51:01,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:51:01,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:51:01,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:51:01,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:51:01,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:51:01,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:51:01,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:51:01,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:51:01,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:51:01,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:51:01,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:51:01,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:51:01,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:51:01,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:51:01,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:51:01,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:51:01,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:51:01,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:51:01,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:51:01,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:51:01,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:51:01,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:51:01,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:51:01,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:51:01,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:51:01,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:51:01,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:51:01,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:51:01,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:51:01,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:51:01,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:51:01,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:51:01,131 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:51:01,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:51:01,132 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:51:01,132 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:51:01,134 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:51:01,134 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:51:01,134 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:51:01,135 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:51:01,135 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:51:01,135 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:51:01,135 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:51:01,136 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:51:01,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:51:01,137 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:51:01,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:51:01,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:51:01,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:51:01,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:51:01,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:51:01,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:51:01,141 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:51:01,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:51:01,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:51:01,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:51:01,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:51:01,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:51:01,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:51:01,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:51:01,143 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:51:01,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:51:01,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:51:01,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:51:01,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:51:01,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:51:01,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:51:01,145 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_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2022-11-19 07:51:01,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:51:01,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:51:01,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:51:01,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:51:01,490 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:51:01,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-19 07:51:01,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/data/fc937e3ce/19038d8ec1fd4ab2b86e9bf203230f93/FLAG7759d2f21 [2022-11-19 07:51:02,242 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:51:02,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-19 07:51:02,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/data/fc937e3ce/19038d8ec1fd4ab2b86e9bf203230f93/FLAG7759d2f21 [2022-11-19 07:51:02,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/data/fc937e3ce/19038d8ec1fd4ab2b86e9bf203230f93 [2022-11-19 07:51:02,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:51:02,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:51:02,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:51:02,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:51:02,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:51:02,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:02" (1/1) ... [2022-11-19 07:51:02,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478afd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:02, skipping insertion in model container [2022-11-19 07:51:02,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:02" (1/1) ... [2022-11-19 07:51:02,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:51:02,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:51:02,911 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-19 07:51:02,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:51:02,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:51:03,000 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-19 07:51:03,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:51:03,024 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:51:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03 WrapperNode [2022-11-19 07:51:03,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:51:03,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:51:03,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:51:03,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:51:03,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,075 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 138 [2022-11-19 07:51:03,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:51:03,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:51:03,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:51:03,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:51:03,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,102 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:51:03,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:51:03,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:51:03,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:51:03,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (1/1) ... [2022-11-19 07:51:03,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:51:03,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:51:03,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:51:03,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:51:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:51:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:51:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:51:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:51:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:51:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:51:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:51:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-19 07:51:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-19 07:51:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:51:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:51:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:51:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:51:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:51:03,311 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:51:03,314 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:51:03,570 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:51:03,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:51:03,783 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:51:03,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:03 BoogieIcfgContainer [2022-11-19 07:51:03,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:51:03,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:51:03,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:51:03,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:51:03,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:51:02" (1/3) ... [2022-11-19 07:51:03,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4d552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:03, skipping insertion in model container [2022-11-19 07:51:03,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:03" (2/3) ... [2022-11-19 07:51:03,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4d552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:03, skipping insertion in model container [2022-11-19 07:51:03,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:03" (3/3) ... [2022-11-19 07:51:03,808 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2022-11-19 07:51:03,836 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:51:03,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:51:03,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:51:03,949 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;@30aa11c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:51:03,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:51:03,954 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) [2022-11-19 07:51:03,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:51:03,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:51:03,967 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:51:03,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:51:03,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:51:03,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1363588587, now seen corresponding path program 1 times [2022-11-19 07:51:03,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:51:03,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106170317] [2022-11-19 07:51:03,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:51:03,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:51:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:51:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:51:04,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:51:04,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106170317] [2022-11-19 07:51:04,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106170317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:51:04,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:51:04,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:51:04,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526433453] [2022-11-19 07:51:04,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:51:04,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:51:04,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:51:04,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:51:04,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:51:04,407 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) [2022-11-19 07:51:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:51:04,515 INFO L93 Difference]: Finished difference Result 82 states and 109 transitions. [2022-11-19 07:51:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:51:04,522 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 [2022-11-19 07:51:04,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:51:04,531 INFO L225 Difference]: With dead ends: 82 [2022-11-19 07:51:04,537 INFO L226 Difference]: Without dead ends: 37 [2022-11-19 07:51:04,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:51:04,547 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 [2022-11-19 07:51:04,552 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] [2022-11-19 07:51:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-19 07:51:04,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-19 07:51:04,607 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) [2022-11-19 07:51:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-11-19 07:51:04,616 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 19 [2022-11-19 07:51:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:51:04,617 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-11-19 07:51:04,618 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) [2022-11-19 07:51:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-19 07:51:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:51:04,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:51:04,624 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:51:04,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:51:04,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:51:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:51:04,627 INFO L85 PathProgramCache]: Analyzing trace with hash 768551535, now seen corresponding path program 1 times [2022-11-19 07:51:04,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:51:04,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151806836] [2022-11-19 07:51:04,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:51:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:51:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:51:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:51:04,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:51:04,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151806836] [2022-11-19 07:51:04,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151806836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:51:04,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:51:04,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:51:04,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912695742] [2022-11-19 07:51:04,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:51:04,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:51:04,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:51:04,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:51:04,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:51:04,811 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) [2022-11-19 07:51:04,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:51:04,877 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-11-19 07:51:04,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:51:04,880 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 [2022-11-19 07:51:04,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:51:04,884 INFO L225 Difference]: With dead ends: 51 [2022-11-19 07:51:04,885 INFO L226 Difference]: Without dead ends: 29 [2022-11-19 07:51:04,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:51:04,889 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 7 mSDsluCounter, 16 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 [2022-11-19 07:51:04,892 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] [2022-11-19 07:51:04,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-19 07:51:04,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-19 07:51:04,906 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) [2022-11-19 07:51:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2022-11-19 07:51:04,909 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 20 [2022-11-19 07:51:04,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:51:04,910 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2022-11-19 07:51:04,911 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) [2022-11-19 07:51:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-19 07:51:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 07:51:04,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:51:04,914 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] [2022-11-19 07:51:04,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:51:04,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:51:04,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:51:04,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1427313991, now seen corresponding path program 1 times [2022-11-19 07:51:04,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:51:04,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272105131] [2022-11-19 07:51:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:51:04,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:51:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:51:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:51:05,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:51:05,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272105131] [2022-11-19 07:51:05,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272105131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:51:05,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:51:05,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:51:05,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399966267] [2022-11-19 07:51:05,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:51:05,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:51:05,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:51:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:51:05,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:51:05,322 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) [2022-11-19 07:51:05,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:51:05,498 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-11-19 07:51:05,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:51:05,499 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 [2022-11-19 07:51:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:51:05,501 INFO L225 Difference]: With dead ends: 55 [2022-11-19 07:51:05,501 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:51:05,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:51:05,512 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 18 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:51:05,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 68 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:51:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:51:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:51:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:51:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:51:05,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-19 07:51:05,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:51:05,519 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:51:05,519 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) [2022-11-19 07:51:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:51:05,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:51:05,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:51:05,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:51:05,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:51:05,663 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2022-11-19 07:51:05,664 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2022-11-19 07:51:05,664 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 810 839) no Hoare annotation was computed. [2022-11-19 07:51:05,664 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2022-11-19 07:51:05,665 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 810 839) the Hoare annotation is: true [2022-11-19 07:51:05,665 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2022-11-19 07:51:05,665 INFO L902 garLoopResultBuilder]: At program point L824-1(lines 824 828) the Hoare annotation is: true [2022-11-19 07:51:05,665 INFO L902 garLoopResultBuilder]: At program point L820-2(lines 820 834) the Hoare annotation is: true [2022-11-19 07:51:05,666 INFO L902 garLoopResultBuilder]: At program point L816(line 816) the Hoare annotation is: true [2022-11-19 07:51:05,666 INFO L899 garLoopResultBuilder]: For program point L816-1(line 816) no Hoare annotation was computed. [2022-11-19 07:51:05,666 INFO L902 garLoopResultBuilder]: At program point L835(lines 810 839) the Hoare annotation is: true [2022-11-19 07:51:05,666 INFO L902 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: true [2022-11-19 07:51:05,667 INFO L899 garLoopResultBuilder]: For program point L205-1(line 205) no Hoare annotation was computed. [2022-11-19 07:51:05,667 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2022-11-19 07:51:05,667 INFO L902 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: true [2022-11-19 07:51:05,667 INFO L902 garLoopResultBuilder]: At program point L190-1(line 190) the Hoare annotation is: true [2022-11-19 07:51:05,668 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 217) no Hoare annotation was computed. [2022-11-19 07:51:05,668 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 220) no Hoare annotation was computed. [2022-11-19 07:51:05,668 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 195 223) the Hoare annotation is: true [2022-11-19 07:51:05,668 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 214) no Hoare annotation was computed. [2022-11-19 07:51:05,669 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 667 693) the Hoare annotation is: true [2022-11-19 07:51:05,669 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 667 693) no Hoare annotation was computed. [2022-11-19 07:51:05,669 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 804) no Hoare annotation was computed. [2022-11-19 07:51:05,670 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) (<= 0 ~pumpRunning~0)) [2022-11-19 07:51:05,670 INFO L899 garLoopResultBuilder]: For program point L605(lines 604 651) no Hoare annotation was computed. [2022-11-19 07:51:05,670 INFO L895 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-11-19 07:51:05,670 INFO L902 garLoopResultBuilder]: At program point L655(lines 594 659) the Hoare annotation is: true [2022-11-19 07:51:05,671 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2022-11-19 07:51:05,671 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2022-11-19 07:51:05,671 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:51:05,671 INFO L895 garLoopResultBuilder]: At program point L652(lines 603 653) the Hoare annotation is: false [2022-11-19 07:51:05,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:51:05,672 INFO L895 garLoopResultBuilder]: At program point L892(lines 892 899) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0)) [2022-11-19 07:51:05,672 INFO L902 garLoopResultBuilder]: At program point L892-2(lines 892 899) the Hoare annotation is: true [2022-11-19 07:51:05,672 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 630) no Hoare annotation was computed. [2022-11-19 07:51:05,673 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) (<= 0 ~pumpRunning~0)) [2022-11-19 07:51:05,673 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) (<= 0 ~pumpRunning~0)) [2022-11-19 07:51:05,673 INFO L895 garLoopResultBuilder]: At program point L616(line 616) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-11-19 07:51:05,674 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2022-11-19 07:51:05,674 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2022-11-19 07:51:05,674 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2022-11-19 07:51:05,674 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2022-11-19 07:51:05,678 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-19 07:51:05,681 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:51:05,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:51:05 BoogieIcfgContainer [2022-11-19 07:51:05,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:51:05,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:51:05,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:51:05,706 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:51:05,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:03" (3/4) ... [2022-11-19 07:51:05,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:51:05,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:51:05,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:51:05,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:51:05,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:51:05,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-19 07:51:05,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-19 07:51:05,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-19 07:51:05,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:51:05,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:51:05,753 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:51:05,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:51:05,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:51:05,839 INFO L158 Benchmark]: Toolchain (without parser) took 3344.08ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.3MB in the beginning and 104.1MB in the end (delta: -43.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-19 07:51:05,841 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:51:05,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.15ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 68.8MB in the end (delta: -8.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-19 07:51:05,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.91ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:51:05,845 INFO L158 Benchmark]: Boogie Preprocessor took 29.33ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:51:05,845 INFO L158 Benchmark]: RCFGBuilder took 680.10ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 45.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 07:51:05,846 INFO L158 Benchmark]: TraceAbstraction took 1913.96ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 44.3MB in the beginning and 50.6MB in the end (delta: -6.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-19 07:51:05,847 INFO L158 Benchmark]: Witness Printer took 129.89ms. Allocated memory is still 132.1MB. Free memory was 50.6MB in the beginning and 104.1MB in the end (delta: -53.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-19 07:51:05,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.15ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 68.8MB in the end (delta: -8.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.91ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.33ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 680.10ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 45.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1913.96ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 44.3MB in the beginning and 50.6MB in the end (delta: -6.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 129.89ms. Allocated memory is still 132.1MB. Free memory was 50.6MB in the beginning and 104.1MB in the end (delta: -53.5MB). Peak memory consumption was 4.8MB. 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 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, 83 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 135 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 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) && 0 <= pumpRunning - 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: !(0 <= pumpRunning) || !(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) && 0 <= pumpRunning - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: pumpRunning <= 0 && 0 <= pumpRunning RESULT: Ultimate proved your program to be correct! [2022-11-19 07:51:05,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df180ddd-6141-4982-a942-3fa7024fca4c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE