./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8 --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 ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:41:54,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:41:54,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:41:54,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:41:54,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:41:54,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:41:54,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:41:54,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:41:54,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:41:54,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:41:54,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:41:54,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:41:54,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:41:54,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:41:54,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:41:54,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:41:54,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:41:54,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:41:54,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:41:54,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:41:54,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:41:54,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:41:54,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:41:54,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:41:54,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:41:54,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:41:54,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:41:54,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:41:54,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:41:54,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:41:54,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:41:54,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:41:54,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:41:54,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:41:54,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:41:54,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:41:54,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:41:54,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:41:54,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:41:54,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:41:54,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:41:54,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:41:54,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:41:54,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:41:54,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:41:54,270 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:41:54,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:41:54,271 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:41:54,271 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:41:54,271 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:41:54,271 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:41:54,272 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:41:54,273 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:41:54,273 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:41:54,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:41:54,273 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:41:54,274 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:41:54,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:41:54,275 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:41:54,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:41:54,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:41:54,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:41:54,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:41:54,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:41:54,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:41:54,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:41:54,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:41:54,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:41:54,277 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:41:54,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:41:54,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:41:54,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:41:54,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:41:54,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:41:54,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:41:54,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:41:54,285 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:41:54,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:41:54,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:41:54,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:41:54,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:41:54,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e [2021-11-07 01:41:54,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:41:54,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:41:54,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:41:54,558 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:41:54,559 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:41:54,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2021-11-07 01:41:54,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/a56ee1443/6f851a016c524023a2ce2df78139a5da/FLAGd3fb0b380 [2021-11-07 01:41:55,085 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:41:55,085 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2021-11-07 01:41:55,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/a56ee1443/6f851a016c524023a2ce2df78139a5da/FLAGd3fb0b380 [2021-11-07 01:41:55,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/a56ee1443/6f851a016c524023a2ce2df78139a5da [2021-11-07 01:41:55,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:41:55,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:41:55,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:55,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:41:55,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:41:55,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:55" (1/1) ... [2021-11-07 01:41:55,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653dcc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:55, skipping insertion in model container [2021-11-07 01:41:55,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:55" (1/1) ... [2021-11-07 01:41:55,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:41:55,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:41:55,743 WARN L228 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_761a76f3-994a-46bf-b083-b76461cb632d/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2021-11-07 01:41:55,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:41:55,822 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:41:55,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@689bf3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:55, skipping insertion in model container [2021-11-07 01:41:55,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:55,823 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:41:55,825 INFO L168 Benchmark]: Toolchain (without parser) took 398.66 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 69.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:55,826 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:41:55,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.37 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 69.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:55,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.37 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 69.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8 --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 ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:41:58,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:41:58,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:41:58,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:41:58,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:41:58,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:41:58,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:41:58,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:41:58,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:41:58,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:41:58,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:41:58,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:41:58,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:41:58,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:41:58,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:41:58,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:41:58,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:41:58,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:41:58,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:41:58,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:41:58,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:41:58,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:41:58,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:41:58,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:41:58,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:41:58,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:41:58,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:41:58,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:41:58,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:41:58,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:41:58,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:41:58,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:41:58,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:41:58,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:41:58,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:41:58,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:41:58,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:41:58,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:41:58,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:41:58,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:41:58,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:41:58,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:41:58,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:41:58,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:41:58,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:41:58,217 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:41:58,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:41:58,217 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:41:58,217 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:41:58,218 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:41:58,218 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:41:58,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:41:58,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:41:58,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:41:58,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:41:58,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:41:58,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:41:58,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:41:58,222 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:41:58,222 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:41:58,222 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:41:58,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:41:58,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:41:58,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:41:58,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:41:58,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:41:58,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:41:58,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:41:58,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:41:58,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:41:58,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:41:58,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:41:58,225 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:41:58,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:41:58,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:41:58,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:41:58,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:41:58,226 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e [2021-11-07 01:41:58,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:41:58,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:41:58,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:41:58,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:41:58,616 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:41:58,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2021-11-07 01:41:58,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/e3345a5ad/f6a0b18ee74248be8f01aa7fde671b94/FLAG4731a0e71 [2021-11-07 01:41:59,347 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:41:59,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2021-11-07 01:41:59,368 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/e3345a5ad/f6a0b18ee74248be8f01aa7fde671b94/FLAG4731a0e71 [2021-11-07 01:41:59,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/data/e3345a5ad/f6a0b18ee74248be8f01aa7fde671b94 [2021-11-07 01:41:59,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:41:59,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:41:59,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:59,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:41:59,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:41:59,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:59" (1/1) ... [2021-11-07 01:41:59,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67458a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:59, skipping insertion in model container [2021-11-07 01:41:59,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:59" (1/1) ... [2021-11-07 01:41:59,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:41:59,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:41:59,931 WARN L228 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_761a76f3-994a-46bf-b083-b76461cb632d/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2021-11-07 01:42:00,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:42:00,021 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:42:00,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:42:00,096 WARN L228 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_761a76f3-994a-46bf-b083-b76461cb632d/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2021-11-07 01:42:00,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:42:00,144 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:42:00,203 WARN L228 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_761a76f3-994a-46bf-b083-b76461cb632d/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2021-11-07 01:42:00,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:42:00,249 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:42:00,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00 WrapperNode [2021-11-07 01:42:00,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:42:00,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:42:00,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:42:00,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:42:00,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:42:00,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:42:00,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:42:00,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:42:00,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:42:00,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:42:00,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:42:00,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:42:00,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (1/1) ... [2021-11-07 01:42:00,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:42:00,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:42:00,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:42:00,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:42:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:42:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:42:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:42:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:42:03,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:42:03,139 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-11-07 01:42:03,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:42:03 BoogieIcfgContainer [2021-11-07 01:42:03,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:42:03,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:42:03,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:42:03,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:42:03,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:41:59" (1/3) ... [2021-11-07 01:42:03,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2625893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:42:03, skipping insertion in model container [2021-11-07 01:42:03,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:42:00" (2/3) ... [2021-11-07 01:42:03,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2625893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:42:03, skipping insertion in model container [2021-11-07 01:42:03,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:42:03" (3/3) ... [2021-11-07 01:42:03,153 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2021-11-07 01:42:03,160 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:42:03,160 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:42:03,238 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:42:03,251 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:42:03,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:42:03,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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) [2021-11-07 01:42:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:42:03,294 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:03,295 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:03,296 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:03,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:03,304 INFO L85 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-11-07 01:42:03,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:03,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158886681] [2021-11-07 01:42:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:03,324 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:03,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:03,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:42:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:03,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:42:03,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:03,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:03,803 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:03,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158886681] [2021-11-07 01:42:03,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158886681] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:03,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:03,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:42:03,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688487796] [2021-11-07 01:42:03,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:42:03,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:03,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:42:03,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:42:03,835 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-07 01:42:03,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:03,871 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-11-07 01:42:03,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:42:03,872 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) Word has length 16 [2021-11-07 01:42:03,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:03,884 INFO L225 Difference]: With dead ends: 108 [2021-11-07 01:42:03,884 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:42:03,888 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:42:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:42:03,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 01:42:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 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) [2021-11-07 01:42:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-11-07 01:42:03,941 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-11-07 01:42:03,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:03,942 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-11-07 01:42:03,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-07 01:42:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-11-07 01:42:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:42:03,945 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:03,945 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:03,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:42:04,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:04,164 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:04,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:04,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-11-07 01:42:04,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:04,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660825959] [2021-11-07 01:42:04,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:04,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:04,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:04,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:04,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:42:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:04,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:42:04,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:04,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:04,501 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:04,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660825959] [2021-11-07 01:42:04,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660825959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:04,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:04,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:42:04,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141990818] [2021-11-07 01:42:04,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:42:04,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:04,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:42:04,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:42:04,505 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-11-07 01:42:04,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:04,518 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-11-07 01:42:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:42:04,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) Word has length 17 [2021-11-07 01:42:04,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:04,520 INFO L225 Difference]: With dead ends: 53 [2021-11-07 01:42:04,520 INFO L226 Difference]: Without dead ends: 27 [2021-11-07 01:42:04,521 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:42:04,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-07 01:42:04,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-07 01:42:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2021-11-07 01:42:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-11-07 01:42:04,526 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-11-07 01:42:04,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:04,527 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-11-07 01:42:04,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-11-07 01:42:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-07 01:42:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:42:04,528 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:04,528 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:04,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:04,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:04,743 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:04,758 INFO L85 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-11-07 01:42:04,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:04,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286417458] [2021-11-07 01:42:04,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:04,759 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:04,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:04,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:04,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:42:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:04,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:04,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:05,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:05,245 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:05,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286417458] [2021-11-07 01:42:05,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286417458] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:05,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:05,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:42:05,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094421397] [2021-11-07 01:42:05,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:42:05,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:05,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:42:05,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:42:05,252 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-11-07 01:42:05,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:05,535 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2021-11-07 01:42:05,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:42:05,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) Word has length 22 [2021-11-07 01:42:05,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:05,540 INFO L225 Difference]: With dead ends: 154 [2021-11-07 01:42:05,540 INFO L226 Difference]: Without dead ends: 133 [2021-11-07 01:42:05,541 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:42:05,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-11-07 01:42:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2021-11-07 01:42:05,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 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) [2021-11-07 01:42:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-11-07 01:42:05,557 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-11-07 01:42:05,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:05,557 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-11-07 01:42:05,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-11-07 01:42:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-11-07 01:42:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:42:05,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:05,559 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:05,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:05,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:05,776 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:05,777 INFO L85 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2021-11-07 01:42:05,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:05,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843213348] [2021-11-07 01:42:05,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:05,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:05,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:05,784 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:05,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:42:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:05,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:42:05,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:06,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:06,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:06,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843213348] [2021-11-07 01:42:06,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843213348] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:06,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:06,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:42:06,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668029116] [2021-11-07 01:42:06,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:42:06,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:06,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:42:06,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:42:06,170 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-11-07 01:42:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:06,180 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-11-07 01:42:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:42:06,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) Word has length 23 [2021-11-07 01:42:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:06,182 INFO L225 Difference]: With dead ends: 95 [2021-11-07 01:42:06,182 INFO L226 Difference]: Without dead ends: 57 [2021-11-07 01:42:06,183 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:42:06,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-11-07 01:42:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-11-07 01:42:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 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) [2021-11-07 01:42:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-11-07 01:42:06,192 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-11-07 01:42:06,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:06,193 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-11-07 01:42:06,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-11-07 01:42:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-11-07 01:42:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:42:06,195 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:06,195 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:06,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:06,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:06,408 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:06,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:06,408 INFO L85 PathProgramCache]: Analyzing trace with hash 587810131, now seen corresponding path program 1 times [2021-11-07 01:42:06,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:06,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59995599] [2021-11-07 01:42:06,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:06,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:06,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:06,410 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:06,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:42:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:06,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:42:06,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:06,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:06,913 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:06,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59995599] [2021-11-07 01:42:06,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59995599] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:42:06,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [447026575] [2021-11-07 01:42:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:06,914 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:42:06,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:42:06,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:42:06,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-07 01:42:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:07,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:07,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:42:07,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:42:07,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [447026575] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:07,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:42:07,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:42:07,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222891824] [2021-11-07 01:42:07,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:42:07,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:07,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:42:07,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:42:07,443 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-11-07 01:42:07,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:07,523 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2021-11-07 01:42:07,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:42:07,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) Word has length 37 [2021-11-07 01:42:07,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:07,524 INFO L225 Difference]: With dead ends: 111 [2021-11-07 01:42:07,525 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:42:07,526 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:42:07,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:42:07,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:42:07,526 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) [2021-11-07 01:42:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:42:07,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-11-07 01:42:07,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:07,527 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:42:07,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-11-07 01:42:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:42:07,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:42:07,530 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:42:07,531 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:42:07,531 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:42:07,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:07,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:42:07,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:07,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:42:07,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:07,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:07,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:07,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:07,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:08,208 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-11-07 01:42:08,208 INFO L860 garLoopResultBuilder]: At program point L862(lines 843 865) the Hoare annotation is: true [2021-11-07 01:42:08,208 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:42:08,209 INFO L853 garLoopResultBuilder]: At program point L615(lines 614 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,209 INFO L857 garLoopResultBuilder]: For program point L615-1(lines 615 621) no Hoare annotation was computed. [2021-11-07 01:42:08,213 INFO L853 garLoopResultBuilder]: At program point L615-2(lines 614 633) the Hoare annotation is: false [2021-11-07 01:42:08,213 INFO L853 garLoopResultBuilder]: At program point L615-3(lines 614 633) the Hoare annotation is: false [2021-11-07 01:42:08,213 INFO L853 garLoopResultBuilder]: At program point L830(lines 826 832) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,214 INFO L853 garLoopResultBuilder]: At program point L533(lines 528 536) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,214 INFO L853 garLoopResultBuilder]: At program point L533-1(lines 528 536) the Hoare annotation is: false [2021-11-07 01:42:08,214 INFO L853 garLoopResultBuilder]: At program point L533-2(lines 528 536) the Hoare annotation is: false [2021-11-07 01:42:08,215 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2021-11-07 01:42:08,215 INFO L853 garLoopResultBuilder]: At program point L435-1(lines 1 865) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,215 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 435 448) no Hoare annotation was computed. [2021-11-07 01:42:08,215 INFO L853 garLoopResultBuilder]: At program point L435-3(lines 1 865) the Hoare annotation is: false [2021-11-07 01:42:08,215 INFO L857 garLoopResultBuilder]: For program point L435-4(lines 435 448) no Hoare annotation was computed. [2021-11-07 01:42:08,216 INFO L853 garLoopResultBuilder]: At program point L435-5(lines 1 865) the Hoare annotation is: false [2021-11-07 01:42:08,216 INFO L853 garLoopResultBuilder]: At program point L782-2(lines 782 796) the Hoare annotation is: false [2021-11-07 01:42:08,217 INFO L857 garLoopResultBuilder]: For program point L551(lines 550 595) no Hoare annotation was computed. [2021-11-07 01:42:08,217 INFO L853 garLoopResultBuilder]: At program point L766(lines 761 769) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,217 INFO L857 garLoopResultBuilder]: For program point L783(line 783) no Hoare annotation was computed. [2021-11-07 01:42:08,217 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 556) no Hoare annotation was computed. [2021-11-07 01:42:08,217 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-11-07 01:42:08,218 INFO L857 garLoopResultBuilder]: For program point L420-1(line 420) no Hoare annotation was computed. [2021-11-07 01:42:08,218 INFO L857 garLoopResultBuilder]: For program point L420-2(line 420) no Hoare annotation was computed. [2021-11-07 01:42:08,218 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-11-07 01:42:08,218 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 615 621) no Hoare annotation was computed. [2021-11-07 01:42:08,218 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:42:08,218 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-11-07 01:42:08,219 INFO L853 garLoopResultBuilder]: At program point L570-1(lines 570 576) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,219 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-11-07 01:42:08,219 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2021-11-07 01:42:08,219 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-11-07 01:42:08,219 INFO L857 garLoopResultBuilder]: For program point L439-2(lines 439 445) no Hoare annotation was computed. [2021-11-07 01:42:08,220 INFO L857 garLoopResultBuilder]: For program point L439-4(lines 439 445) no Hoare annotation was computed. [2021-11-07 01:42:08,220 INFO L857 garLoopResultBuilder]: For program point L786(lines 786 790) no Hoare annotation was computed. [2021-11-07 01:42:08,220 INFO L857 garLoopResultBuilder]: For program point L786-1(lines 615 621) no Hoare annotation was computed. [2021-11-07 01:42:08,221 INFO L857 garLoopResultBuilder]: For program point L853(lines 853 860) no Hoare annotation was computed. [2021-11-07 01:42:08,221 INFO L860 garLoopResultBuilder]: At program point L853-1(lines 853 860) the Hoare annotation is: true [2021-11-07 01:42:08,221 INFO L853 garLoopResultBuilder]: At program point L622(lines 622 628) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,221 INFO L853 garLoopResultBuilder]: At program point L622-1(lines 622 628) the Hoare annotation is: false [2021-11-07 01:42:08,221 INFO L853 garLoopResultBuilder]: At program point L622-2(lines 622 628) the Hoare annotation is: false [2021-11-07 01:42:08,222 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:42:08,223 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-11-07 01:42:08,223 INFO L853 garLoopResultBuilder]: At program point L758(lines 1 865) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,224 INFO L853 garLoopResultBuilder]: At program point L692(lines 687 695) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,225 INFO L853 garLoopResultBuilder]: At program point L692-1(lines 687 695) the Hoare annotation is: false [2021-11-07 01:42:08,226 INFO L853 garLoopResultBuilder]: At program point L692-2(lines 687 695) the Hoare annotation is: false [2021-11-07 01:42:08,226 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 566) no Hoare annotation was computed. [2021-11-07 01:42:08,227 INFO L853 garLoopResultBuilder]: At program point L560-1(lines 560 566) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:42:08,227 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:42:08,228 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-11-07 01:42:08,229 INFO L853 garLoopResultBuilder]: At program point L596(lines 549 597) the Hoare annotation is: false [2021-11-07 01:42:08,230 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2021-11-07 01:42:08,230 INFO L857 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2021-11-07 01:42:08,230 INFO L857 garLoopResultBuilder]: For program point L464-6(lines 464 468) no Hoare annotation was computed. [2021-11-07 01:42:08,230 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 591) no Hoare annotation was computed. [2021-11-07 01:42:08,235 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:42:08,237 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:42:08,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:42:08 BoogieIcfgContainer [2021-11-07 01:42:08,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:42:08,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:42:08,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:42:08,262 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:42:08,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:42:03" (3/4) ... [2021-11-07 01:42:08,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:42:08,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:42:08,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:42:08,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:42:08,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:42:08,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:42:08,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:42:08,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:42:08,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:42:08,369 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:42:08,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:42:08,371 INFO L168 Benchmark]: Toolchain (without parser) took 8763.24 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 43.9 MB in the beginning and 33.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:42:08,371 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:42:08,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.64 ms. Allocated memory is still 65.0 MB. Free memory was 43.7 MB in the beginning and 34.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:42:08,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.52 ms. Allocated memory is still 65.0 MB. Free memory was 34.2 MB in the beginning and 31.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:42:08,373 INFO L168 Benchmark]: Boogie Preprocessor took 94.06 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 29.8 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:42:08,373 INFO L168 Benchmark]: RCFGBuilder took 2678.22 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 47.2 MB in the beginning and 68.0 MB in the end (delta: -20.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:42:08,374 INFO L168 Benchmark]: TraceAbstraction took 5115.09 ms. Allocated memory is still 88.1 MB. Free memory was 67.4 MB in the beginning and 38.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:42:08,374 INFO L168 Benchmark]: Witness Printer took 108.66 ms. Allocated memory is still 88.1 MB. Free memory was 38.2 MB in the beginning and 33.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:42:08,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 640.64 ms. Allocated memory is still 65.0 MB. Free memory was 43.7 MB in the beginning and 34.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.52 ms. Allocated memory is still 65.0 MB. Free memory was 34.2 MB in the beginning and 31.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.06 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 29.8 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2678.22 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 47.2 MB in the beginning and 68.0 MB in the end (delta: -20.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5115.09 ms. Allocated memory is still 88.1 MB. Free memory was 67.4 MB in the beginning and 38.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * Witness Printer took 108.66 ms. Allocated memory is still 88.1 MB. Free memory was 38.2 MB in the beginning and 33.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * 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: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: 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 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 371 SDslu, 363 SDs, 0 SdLazy, 85 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 26, 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, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1378 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1203 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 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 3 specifications checked. All of them hold - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 01:42:08,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_761a76f3-994a-46bf-b083-b76461cb632d/bin/utaipan-UUZaoUuFF8/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