./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/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_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/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_85bba020-5584-4a85-9d8f-ade2c2ef8b41/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 c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 --- 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 07:04:25,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:04:25,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:04:25,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:04:25,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:04:25,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:04:25,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:04:26,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:04:26,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:04:26,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:04:26,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:04:26,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:04:26,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:04:26,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:04:26,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:04:26,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:04:26,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:04:26,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:04:26,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:04:26,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:04:26,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:04:26,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:04:26,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:04:26,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:04:26,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:04:26,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:04:26,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:04:26,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:04:26,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:04:26,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:04:26,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:04:26,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:04:26,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:04:26,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:04:26,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:04:26,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:04:26,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:04:26,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:04:26,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:04:26,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:04:26,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:04:26,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:04:26,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:04:26,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:04:26,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:04:26,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:04:26,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:04:26,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:04:26,109 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:04:26,110 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:04:26,110 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:04:26,110 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:04:26,111 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:04:26,111 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:04:26,112 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:04:26,112 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:04:26,112 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:04:26,112 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:04:26,112 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:04:26,113 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:04:26,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:04:26,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:04:26,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:04:26,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:04:26,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:04:26,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:04:26,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:04:26,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:04:26,116 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:04:26,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:04:26,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:04:26,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:04:26,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:04:26,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:04:26,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:04:26,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:04:26,118 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:04:26,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:04:26,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:04:26,119 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:04:26,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:04:26,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:04:26,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:04:26,120 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_85bba020-5584-4a85-9d8f-ade2c2ef8b41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 [2022-11-19 07:04:26,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:04:26,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:04:26,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:04:26,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:04:26,482 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:04:26,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2022-11-19 07:04:26,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/data/b27be5ae2/5a1b8a3658fb4bfeb9caaac2005b7391/FLAG24bb254da [2022-11-19 07:04:27,151 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:04:27,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2022-11-19 07:04:27,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/data/b27be5ae2/5a1b8a3658fb4bfeb9caaac2005b7391/FLAG24bb254da [2022-11-19 07:04:27,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/data/b27be5ae2/5a1b8a3658fb4bfeb9caaac2005b7391 [2022-11-19 07:04:27,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:04:27,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:04:27,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:04:27,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:04:27,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:04:27,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:27,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b7a75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27, skipping insertion in model container [2022-11-19 07:04:27,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:27,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:04:27,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:04:27,835 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_85bba020-5584-4a85-9d8f-ade2c2ef8b41/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2022-11-19 07:04:27,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:04:27,858 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:04:27,956 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_85bba020-5584-4a85-9d8f-ade2c2ef8b41/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2022-11-19 07:04:27,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:04:27,985 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:04:27,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27 WrapperNode [2022-11-19 07:04:27,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:04:27,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:04:27,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:04:27,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:04:27,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,029 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 165 [2022-11-19 07:04:28,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:04:28,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:04:28,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:04:28,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:04:28,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:04:28,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:04:28,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:04:28,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:04:28,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (1/1) ... [2022-11-19 07:04:28,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:04:28,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:04:28,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:04:28,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:04:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:04:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 07:04:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 07:04:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:04:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:04:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:04:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:04:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:04:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:04:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-19 07:04:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-19 07:04:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:04:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:04:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:04:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:04:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:04:28,286 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:04:28,288 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:04:28,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:04:28,780 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:04:28,782 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:04:28,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:04:28 BoogieIcfgContainer [2022-11-19 07:04:28,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:04:28,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:04:28,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:04:28,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:04:28,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:04:27" (1/3) ... [2022-11-19 07:04:28,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f87ab1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:04:28, skipping insertion in model container [2022-11-19 07:04:28,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:27" (2/3) ... [2022-11-19 07:04:28,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f87ab1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:04:28, skipping insertion in model container [2022-11-19 07:04:28,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:04:28" (3/3) ... [2022-11-19 07:04:28,797 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06.cil.c [2022-11-19 07:04:28,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:04:28,816 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:04:28,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:04:28,903 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;@2546c8f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:04:28,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:04:28,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-19 07:04:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 07:04:28,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:28,918 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:28,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:04:28,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:28,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2004994899, now seen corresponding path program 1 times [2022-11-19 07:04:28,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:28,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824426076] [2022-11-19 07:04:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:28,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:29,201 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 07:04:29,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:29,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824426076] [2022-11-19 07:04:29,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824426076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:29,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:29,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:04:29,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335016539] [2022-11-19 07:04:29,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:29,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:04:29,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:29,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:04:29,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:04:29,253 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:04:29,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:29,372 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2022-11-19 07:04:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:04:29,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-19 07:04:29,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:29,386 INFO L225 Difference]: With dead ends: 100 [2022-11-19 07:04:29,386 INFO L226 Difference]: Without dead ends: 46 [2022-11-19 07:04:29,390 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 07:04:29,393 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:29,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:04:29,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-19 07:04:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-19 07:04:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-19 07:04:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-11-19 07:04:29,441 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 21 [2022-11-19 07:04:29,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:29,442 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-11-19 07:04:29,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:04:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-19 07:04:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 07:04:29,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:29,447 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:29,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:04:29,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:04:29,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:29,449 INFO L85 PathProgramCache]: Analyzing trace with hash -786430657, now seen corresponding path program 1 times [2022-11-19 07:04:29,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:29,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189272230] [2022-11-19 07:04:29,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:29,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:29,722 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 07:04:29,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:29,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189272230] [2022-11-19 07:04:29,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189272230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:29,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:29,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:04:29,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889583161] [2022-11-19 07:04:29,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:29,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:04:29,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:29,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:04:29,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:04:29,726 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:04:30,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:30,406 INFO L93 Difference]: Finished difference Result 186 states and 281 transitions. [2022-11-19 07:04:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 07:04:30,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-19 07:04:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:30,410 INFO L225 Difference]: With dead ends: 186 [2022-11-19 07:04:30,410 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:04:30,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-11-19 07:04:30,414 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 110 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:30,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 535 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:04:30,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:04:30,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:04:30,416 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 07:04:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:04:30,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-19 07:04:30,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:30,417 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:04:30,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:04:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:04:30,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:04:30,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:04:30,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:04:30,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:04:30,968 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 280 286) no Hoare annotation was computed. [2022-11-19 07:04:30,969 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 280 286) the Hoare annotation is: true [2022-11-19 07:04:30,969 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-11-19 07:04:30,969 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-19 07:04:30,969 INFO L899 garLoopResultBuilder]: For program point L416(line 416) no Hoare annotation was computed. [2022-11-19 07:04:30,969 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 395 424) no Hoare annotation was computed. [2022-11-19 07:04:30,970 INFO L895 garLoopResultBuilder]: At program point cleanupENTRY(lines 395 424) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2022-11-19 07:04:30,970 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2022-11-19 07:04:30,970 INFO L895 garLoopResultBuilder]: At program point L409-1(lines 409 413) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-19 07:04:30,970 INFO L895 garLoopResultBuilder]: At program point L405-2(lines 405 419) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-19 07:04:30,971 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2022-11-19 07:04:30,971 INFO L899 garLoopResultBuilder]: For program point L401-1(line 401) no Hoare annotation was computed. [2022-11-19 07:04:30,971 INFO L902 garLoopResultBuilder]: At program point L420(lines 395 424) the Hoare annotation is: true [2022-11-19 07:04:30,972 INFO L895 garLoopResultBuilder]: At program point L267-1(lines 267 273) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-19 07:04:30,972 INFO L895 garLoopResultBuilder]: At program point L296(lines 296 304) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-19 07:04:30,972 INFO L895 garLoopResultBuilder]: At program point L292(lines 292 309) the Hoare annotation is: (and (or (not (= ~switchedOnBeforeTS~0 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-19 07:04:30,972 INFO L895 garLoopResultBuilder]: At program point L507(line 507) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2022-11-19 07:04:30,973 INFO L895 garLoopResultBuilder]: At program point L507-1(line 507) the Hoare annotation is: (and (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret25#1|) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2022-11-19 07:04:30,973 INFO L895 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: false [2022-11-19 07:04:30,973 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2022-11-19 07:04:30,973 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 537) no Hoare annotation was computed. [2022-11-19 07:04:30,974 INFO L895 garLoopResultBuilder]: At program point L520-1(lines 512 540) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-19 07:04:30,974 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 256 278) no Hoare annotation was computed. [2022-11-19 07:04:30,974 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-19 07:04:30,974 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2022-11-19 07:04:30,975 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-19 07:04:30,975 INFO L895 garLoopResultBuilder]: At program point L307-1(lines 288 312) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-19 07:04:30,975 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 253 279) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2022-11-19 07:04:30,976 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 253 279) no Hoare annotation was computed. [2022-11-19 07:04:30,976 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-19 07:04:30,976 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2022-11-19 07:04:30,976 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2022-11-19 07:04:30,977 INFO L902 garLoopResultBuilder]: At program point L225-2(lines 217 230) the Hoare annotation is: true [2022-11-19 07:04:30,977 INFO L899 garLoopResultBuilder]: For program point L188(lines 187 234) no Hoare annotation was computed. [2022-11-19 07:04:30,977 INFO L902 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: true [2022-11-19 07:04:30,977 INFO L902 garLoopResultBuilder]: At program point L238(lines 177 242) the Hoare annotation is: true [2022-11-19 07:04:30,977 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2022-11-19 07:04:30,978 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 197 203) no Hoare annotation was computed. [2022-11-19 07:04:30,978 INFO L895 garLoopResultBuilder]: At program point L478(lines 478 485) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2022-11-19 07:04:30,978 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:04:30,978 INFO L902 garLoopResultBuilder]: At program point L478-2(lines 478 485) the Hoare annotation is: true [2022-11-19 07:04:30,978 INFO L902 garLoopResultBuilder]: At program point L235(lines 186 236) the Hoare annotation is: true [2022-11-19 07:04:30,979 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:04:30,979 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2022-11-19 07:04:30,979 INFO L902 garLoopResultBuilder]: At program point L207-1(lines 207 213) the Hoare annotation is: true [2022-11-19 07:04:30,979 INFO L902 garLoopResultBuilder]: At program point L232(lines 187 234) the Hoare annotation is: true [2022-11-19 07:04:30,980 INFO L902 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: true [2022-11-19 07:04:30,980 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-19 07:04:30,980 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-11-19 07:04:30,980 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 340 348) no Hoare annotation was computed. [2022-11-19 07:04:30,980 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 340 348) the Hoare annotation is: true [2022-11-19 07:04:30,988 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 07:04:30,992 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:04:31,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:04:31 BoogieIcfgContainer [2022-11-19 07:04:31,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:04:31,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:04:31,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:04:31,030 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:04:31,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:04:28" (3/4) ... [2022-11-19 07:04:31,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:04:31,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 07:04:31,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:04:31,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:04:31,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:04:31,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:04:31,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-19 07:04:31,053 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-19 07:04:31,053 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-19 07:04:31,053 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:04:31,054 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:04:31,054 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:04:31,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == aux-isPumpRunning()-aux && (!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || pumpRunning == switchedOnBeforeTS)) && (!(switchedOnBeforeTS == 0) || \old(switchedOnBeforeTS) == 0) [2022-11-19 07:04:31,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && (!(switchedOnBeforeTS == 0) || pumpRunning == switchedOnBeforeTS) [2022-11-19 07:04:31,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && (!(switchedOnBeforeTS == 0) || pumpRunning == switchedOnBeforeTS) [2022-11-19 07:04:31,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && pumpRunning == switchedOnBeforeTS [2022-11-19 07:04:31,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && (!(switchedOnBeforeTS == 0) || pumpRunning == switchedOnBeforeTS) [2022-11-19 07:04:31,134 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:04:31,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:04:31,135 INFO L158 Benchmark]: Toolchain (without parser) took 3688.02ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 65.3MB in the beginning and 66.9MB in the end (delta: -1.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-19 07:04:31,136 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 92.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:04:31,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.51ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 66.3MB in the end (delta: -1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:04:31,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.86ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 64.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:04:31,137 INFO L158 Benchmark]: Boogie Preprocessor took 27.41ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:04:31,137 INFO L158 Benchmark]: RCFGBuilder took 728.38ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 91.2MB in the end (delta: -28.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-19 07:04:31,138 INFO L158 Benchmark]: TraceAbstraction took 2239.10ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 72.2MB in the end (delta: 18.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2022-11-19 07:04:31,138 INFO L158 Benchmark]: Witness Printer took 104.02ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 66.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:04:31,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 92.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.51ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 66.3MB in the end (delta: -1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.86ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 64.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.41ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 728.38ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 91.2MB in the end (delta: -28.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2239.10ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 72.2MB in the end (delta: 18.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 104.02ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 66.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: 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 7 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 584 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 381 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 631 IncrementalHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 203 mSDtfsCounter, 631 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 273 PreInvPairs, 443 NumberOfFragments, 250 HoareAnnotationTreeSize, 273 FomulaSimplifications, 605 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 437 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && (!(switchedOnBeforeTS == 0) || pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: !(switchedOnBeforeTS == 0) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (pumpRunning == aux-isPumpRunning()-aux && (!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || pumpRunning == switchedOnBeforeTS)) && (!(switchedOnBeforeTS == 0) || \old(switchedOnBeforeTS) == 0) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && (!(switchedOnBeforeTS == 0) || pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((!(switchedOnBeforeTS == 0) || !(\old(switchedOnBeforeTS) == \old(pumpRunning))) || \old(switchedOnBeforeTS) == 0) && (!(switchedOnBeforeTS == 0) || pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: !(switchedOnBeforeTS == 0) || pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:04:31,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bba020-5584-4a85-9d8f-ade2c2ef8b41/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