./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:59:11,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:59:11,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:59:11,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:59:11,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:59:11,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:59:11,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:59:11,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:59:11,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:59:11,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:59:11,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:59:11,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:59:11,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:59:11,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:59:11,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:59:11,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:59:11,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:59:11,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:59:11,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:59:11,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:59:11,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:59:11,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:59:11,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:59:11,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:59:11,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:59:11,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:59:11,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:59:11,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:59:11,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:59:11,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:59:11,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:59:11,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:59:11,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:59:11,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:59:11,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:59:11,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:59:11,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:59:11,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:59:11,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:59:11,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:59:11,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:59:11,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:59:11,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:59:11,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:59:11,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:59:11,602 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:59:11,603 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:59:11,603 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:59:11,603 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:59:11,603 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:59:11,610 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:59:11,610 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:59:11,611 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:59:11,611 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:59:11,611 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:59:11,612 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:59:11,612 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:59:11,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:59:11,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:59:11,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:59:11,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:59:11,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:59:11,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:59:11,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:59:11,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:59:11,615 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:59:11,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:59:11,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:59:11,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:59:11,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:59:11,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:59:11,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:59:11,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:11,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:59:11,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:59:11,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:59:11,619 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:59:11,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:59:11,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:59:11,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:59:11,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:59:11,620 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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 [2021-11-07 00:59:11,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:59:11,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:59:11,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:59:11,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:59:11,969 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:59:11,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-11-07 00:59:12,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/fce65b731/81f9fc908fff42c7a839404ffc8211a3/FLAG7d2630e6c [2021-11-07 00:59:12,558 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:59:12,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-11-07 00:59:12,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/fce65b731/81f9fc908fff42c7a839404ffc8211a3/FLAG7d2630e6c [2021-11-07 00:59:12,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/fce65b731/81f9fc908fff42c7a839404ffc8211a3 [2021-11-07 00:59:12,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:59:12,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:59:12,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:12,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:59:12,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:59:12,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:12" (1/1) ... [2021-11-07 00:59:12,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a41eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:12, skipping insertion in model container [2021-11-07 00:59:12,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:12" (1/1) ... [2021-11-07 00:59:12,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:59:12,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:13,231 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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-11-07 00:59:13,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:13,269 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 00:59:13,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a7ebc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:13, skipping insertion in model container [2021-11-07 00:59:13,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:13,279 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:59:13,282 INFO L168 Benchmark]: Toolchain (without parser) took 397.14 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 49.9 MB in the beginning and 78.8 MB in the end (delta: -28.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:13,283 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 67.9 MB in the end (delta: 60.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:59:13,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.39 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 49.7 MB in the beginning and 78.8 MB in the end (delta: -29.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:13,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 67.9 MB in the end (delta: 60.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 384.39 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 49.7 MB in the beginning and 78.8 MB in the end (delta: -29.1 MB). Peak memory consumption was 12.6 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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:59:15,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:59:15,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:59:15,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:59:15,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:59:15,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:59:15,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:59:15,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:59:15,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:59:15,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:59:15,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:59:15,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:59:15,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:59:15,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:59:15,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:59:15,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:59:15,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:59:15,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:59:15,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:59:15,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:59:15,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:59:15,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:59:15,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:59:15,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:59:15,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:59:15,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:59:15,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:59:15,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:59:15,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:59:15,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:59:15,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:59:15,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:59:15,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:59:15,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:59:15,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:59:15,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:59:15,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:59:15,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:59:15,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:59:15,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:59:15,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:59:15,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:59:15,717 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:59:15,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:59:15,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:59:15,719 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:59:15,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:59:15,720 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:59:15,720 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:59:15,720 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:59:15,720 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:59:15,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:59:15,723 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:59:15,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:59:15,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:59:15,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:59:15,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:59:15,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:59:15,725 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:59:15,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:59:15,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:59:15,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:59:15,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:59:15,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:59:15,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:59:15,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:59:15,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:59:15,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:59:15,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:15,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:59:15,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:59:15,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:59:15,728 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:59:15,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:59:15,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:59:15,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:59:15,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:59:15,729 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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 [2021-11-07 00:59:16,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:59:16,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:59:16,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:59:16,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:59:16,150 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:59:16,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-11-07 00:59:16,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/525be1fcb/bdf753b435434562b48218694b4bce36/FLAG2f06f4da4 [2021-11-07 00:59:16,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:59:16,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-11-07 00:59:16,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/525be1fcb/bdf753b435434562b48218694b4bce36/FLAG2f06f4da4 [2021-11-07 00:59:17,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/data/525be1fcb/bdf753b435434562b48218694b4bce36 [2021-11-07 00:59:17,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:59:17,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:59:17,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:17,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:59:17,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:59:17,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225d5569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17, skipping insertion in model container [2021-11-07 00:59:17,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:59:17,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:17,519 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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-11-07 00:59:17,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:17,548 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:59:17,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:17,606 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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-11-07 00:59:17,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:17,621 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:59:17,689 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_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-11-07 00:59:17,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:17,745 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:59:17,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17 WrapperNode [2021-11-07 00:59:17,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:17,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:59:17,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:59:17,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:59:17,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:59:17,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:59:17,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:59:17,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:59:17,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:59:17,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:59:17,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:59:17,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:59:17,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (1/1) ... [2021-11-07 00:59:17,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:17,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:59:17,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:59:17,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:59:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:59:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:59:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:59:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:59:19,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:59:19,989 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-11-07 00:59:19,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:19 BoogieIcfgContainer [2021-11-07 00:59:19,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:59:19,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:59:19,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:59:19,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:59:19,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:17" (1/3) ... [2021-11-07 00:59:19,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695cbddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:19, skipping insertion in model container [2021-11-07 00:59:19,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:17" (2/3) ... [2021-11-07 00:59:19,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695cbddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:19, skipping insertion in model container [2021-11-07 00:59:19,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:19" (3/3) ... [2021-11-07 00:59:19,998 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2021-11-07 00:59:20,003 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:59:20,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 00:59:20,050 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:59:20,056 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 00:59:20,056 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 00:59:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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 00:59:20,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 00:59:20,077 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:20,078 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:59:20,079 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 00:59:20,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:20,084 INFO L85 PathProgramCache]: Analyzing trace with hash -509663600, now seen corresponding path program 1 times [2021-11-07 00:59:20,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:20,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825045569] [2021-11-07 00:59:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:20,098 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:20,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:20,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:59:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:20,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:59:20,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:20,388 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 00:59:20,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:20,455 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 00:59:20,456 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:20,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825045569] [2021-11-07 00:59:20,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825045569] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:20,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:20,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:59:20,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78843942] [2021-11-07 00:59:20,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:59:20,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:20,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:59:20,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:59:20,486 INFO L87 Difference]: Start difference. First operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 00:59:20,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:20,537 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2021-11-07 00:59:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:59:20,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-11-07 00:59:20,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:20,549 INFO L225 Difference]: With dead ends: 211 [2021-11-07 00:59:20,549 INFO L226 Difference]: Without dead ends: 105 [2021-11-07 00:59:20,552 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 00:59:20,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-07 00:59:20,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-11-07 00:59:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 104 states have internal predecessors, (151), 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 00:59:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-11-07 00:59:20,610 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2021-11-07 00:59:20,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:20,610 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-11-07 00:59:20,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 00:59:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-11-07 00:59:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 00:59:20,612 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:20,612 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:59:20,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:20,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:20,824 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 00:59:20,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:20,825 INFO L85 PathProgramCache]: Analyzing trace with hash -890511133, now seen corresponding path program 1 times [2021-11-07 00:59:20,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:20,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028463281] [2021-11-07 00:59:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:20,827 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:20,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:20,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:20,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:59:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:21,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:59:21,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:21,113 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 00:59:21,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:21,169 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 00:59:21,169 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:21,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028463281] [2021-11-07 00:59:21,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028463281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:21,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:21,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:59:21,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359546388] [2021-11-07 00:59:21,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:59:21,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:21,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:59:21,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:21,174 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 00:59:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:21,188 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2021-11-07 00:59:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:59:21,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-11-07 00:59:21,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:21,190 INFO L225 Difference]: With dead ends: 105 [2021-11-07 00:59:21,190 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 00:59:21,191 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 00:59:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 00:59:21,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-07 00:59:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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 00:59:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-11-07 00:59:21,197 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-11-07 00:59:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:21,198 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-11-07 00:59:21,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 00:59:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-11-07 00:59:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 00:59:21,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:21,200 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, 1] [2021-11-07 00:59:21,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:21,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:21,412 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 00:59:21,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:21,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1279741385, now seen corresponding path program 1 times [2021-11-07 00:59:21,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:21,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84068837] [2021-11-07 00:59:21,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:21,414 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:21,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:21,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:59:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:21,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:59:21,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:21,696 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 00:59:21,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:21,762 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 00:59:21,762 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:21,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84068837] [2021-11-07 00:59:21,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84068837] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:21,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:21,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:59:21,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934911205] [2021-11-07 00:59:21,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:59:21,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:21,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:59:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:21,770 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 00:59:21,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:21,817 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2021-11-07 00:59:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:59:21,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 24 [2021-11-07 00:59:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:21,820 INFO L225 Difference]: With dead ends: 83 [2021-11-07 00:59:21,821 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 00:59:21,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 00:59:21,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 00:59:21,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-07 00:59:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 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 00:59:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-11-07 00:59:21,835 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-11-07 00:59:21,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:21,836 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-11-07 00:59:21,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 00:59:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-11-07 00:59:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 00:59:21,839 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:21,839 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, 1, 1, 1] [2021-11-07 00:59:21,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:22,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:22,056 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 00:59:22,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:22,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1716158697, now seen corresponding path program 1 times [2021-11-07 00:59:22,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:22,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417863688] [2021-11-07 00:59:22,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:22,058 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:22,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:22,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:22,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:59:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:22,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:59:22,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:22,399 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 00:59:22,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:22,488 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 00:59:22,488 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:22,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417863688] [2021-11-07 00:59:22,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417863688] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:22,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:22,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:59:22,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375509169] [2021-11-07 00:59:22,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:59:22,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:22,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:59:22,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:59:22,491 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 00:59:22,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:22,596 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2021-11-07 00:59:22,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 00:59:22,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2021-11-07 00:59:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:22,598 INFO L225 Difference]: With dead ends: 207 [2021-11-07 00:59:22,598 INFO L226 Difference]: Without dead ends: 169 [2021-11-07 00:59:22,599 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:59:22,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-11-07 00:59:22,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2021-11-07 00:59:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 states have internal predecessors, (111), 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 00:59:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-11-07 00:59:22,613 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2021-11-07 00:59:22,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:22,614 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-11-07 00:59:22,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 00:59:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-11-07 00:59:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 00:59:22,615 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:22,615 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, 1, 1, 1, 1] [2021-11-07 00:59:22,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:22,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:22,827 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 00:59:22,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:22,828 INFO L85 PathProgramCache]: Analyzing trace with hash 700064625, now seen corresponding path program 1 times [2021-11-07 00:59:22,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:22,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932174425] [2021-11-07 00:59:22,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:22,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:22,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:22,830 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:22,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:59:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:23,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:59:23,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:23,152 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 00:59:23,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:23,223 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 00:59:23,223 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:23,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932174425] [2021-11-07 00:59:23,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932174425] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:23,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:23,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:59:23,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686843229] [2021-11-07 00:59:23,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:59:23,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:23,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:59:23,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:59:23,238 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 00:59:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:23,351 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2021-11-07 00:59:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:59:23,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 27 [2021-11-07 00:59:23,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:23,352 INFO L225 Difference]: With dead ends: 176 [2021-11-07 00:59:23,352 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:59:23,353 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:59:23,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:59:23,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:59:23,354 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 00:59:23,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:59:23,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-07 00:59:23,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:23,368 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:59:23,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 00:59:23,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:59:23,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:59:23,370 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:59:23,371 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:59:23,371 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:59:23,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:23,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:23,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:59:23,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:23,911 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-11-07 00:59:23,911 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-11-07 00:59:23,911 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-11-07 00:59:23,913 INFO L857 garLoopResultBuilder]: For program point L432-1(lines 538 544) no Hoare annotation was computed. [2021-11-07 00:59:23,913 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 867) no Hoare annotation was computed. [2021-11-07 00:59:23,913 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,913 INFO L857 garLoopResultBuilder]: For program point L698-2(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,913 INFO L857 garLoopResultBuilder]: For program point L698-3(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,914 INFO L857 garLoopResultBuilder]: For program point L698-5(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,914 INFO L857 garLoopResultBuilder]: For program point L698-6(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,914 INFO L857 garLoopResultBuilder]: For program point L698-8(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,914 INFO L857 garLoopResultBuilder]: For program point L698-9(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,914 INFO L857 garLoopResultBuilder]: For program point L698-11(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,915 INFO L857 garLoopResultBuilder]: For program point L698-12(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,915 INFO L857 garLoopResultBuilder]: For program point L698-14(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,915 INFO L857 garLoopResultBuilder]: For program point L698-15(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,915 INFO L857 garLoopResultBuilder]: For program point L698-17(lines 698 702) no Hoare annotation was computed. [2021-11-07 00:59:23,915 INFO L857 garLoopResultBuilder]: For program point L765(lines 765 769) no Hoare annotation was computed. [2021-11-07 00:59:23,916 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 538 544) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,916 INFO L857 garLoopResultBuilder]: For program point L600(lines 600 608) no Hoare annotation was computed. [2021-11-07 00:59:23,916 INFO L857 garLoopResultBuilder]: For program point L600-1(lines 600 608) no Hoare annotation was computed. [2021-11-07 00:59:23,916 INFO L857 garLoopResultBuilder]: For program point L600-2(lines 600 608) no Hoare annotation was computed. [2021-11-07 00:59:23,916 INFO L853 garLoopResultBuilder]: At program point L799(lines 794 801) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,917 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 587) no Hoare annotation was computed. [2021-11-07 00:59:23,917 INFO L857 garLoopResultBuilder]: For program point L570-1(lines 570 587) no Hoare annotation was computed. [2021-11-07 00:59:23,917 INFO L857 garLoopResultBuilder]: For program point L570-2(lines 570 587) no Hoare annotation was computed. [2021-11-07 00:59:23,917 INFO L857 garLoopResultBuilder]: For program point L570-3(lines 570 587) no Hoare annotation was computed. [2021-11-07 00:59:23,917 INFO L857 garLoopResultBuilder]: For program point L570-4(lines 570 587) no Hoare annotation was computed. [2021-11-07 00:59:23,919 INFO L857 garLoopResultBuilder]: For program point L570-5(lines 570 587) no Hoare annotation was computed. [2021-11-07 00:59:23,919 INFO L853 garLoopResultBuilder]: At program point L538(lines 537 556) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,919 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 538 544) no Hoare annotation was computed. [2021-11-07 00:59:23,920 INFO L853 garLoopResultBuilder]: At program point L538-2(lines 537 556) the Hoare annotation is: false [2021-11-07 00:59:23,920 INFO L853 garLoopResultBuilder]: At program point L538-3(lines 537 556) the Hoare annotation is: false [2021-11-07 00:59:23,920 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-11-07 00:59:23,921 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2021-11-07 00:59:23,921 INFO L853 garLoopResultBuilder]: At program point L737-1(lines 737 743) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,921 INFO L853 garLoopResultBuilder]: At program point L704(lines 689 707) the Hoare annotation is: false [2021-11-07 00:59:23,921 INFO L853 garLoopResultBuilder]: At program point L704-1(lines 689 707) the Hoare annotation is: false [2021-11-07 00:59:23,921 INFO L853 garLoopResultBuilder]: At program point L704-2(lines 689 707) the Hoare annotation is: false [2021-11-07 00:59:23,925 INFO L853 garLoopResultBuilder]: At program point L704-3(lines 689 707) the Hoare annotation is: false [2021-11-07 00:59:23,926 INFO L853 garLoopResultBuilder]: At program point L704-4(lines 689 707) the Hoare annotation is: false [2021-11-07 00:59:23,928 INFO L853 garLoopResultBuilder]: At program point L704-5(lines 689 707) the Hoare annotation is: false [2021-11-07 00:59:23,928 INFO L853 garLoopResultBuilder]: At program point L640(lines 633 643) the Hoare annotation is: false [2021-11-07 00:59:23,928 INFO L853 garLoopResultBuilder]: At program point L640-1(lines 633 643) the Hoare annotation is: false [2021-11-07 00:59:23,928 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 582) no Hoare annotation was computed. [2021-11-07 00:59:23,928 INFO L853 garLoopResultBuilder]: At program point L640-2(lines 633 643) the Hoare annotation is: false [2021-11-07 00:59:23,929 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 574 582) no Hoare annotation was computed. [2021-11-07 00:59:23,929 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-11-07 00:59:23,929 INFO L857 garLoopResultBuilder]: For program point L574-2(lines 574 582) no Hoare annotation was computed. [2021-11-07 00:59:23,929 INFO L857 garLoopResultBuilder]: For program point L574-3(lines 574 582) no Hoare annotation was computed. [2021-11-07 00:59:23,929 INFO L860 garLoopResultBuilder]: At program point L508-1(lines 508 515) the Hoare annotation is: true [2021-11-07 00:59:23,931 INFO L857 garLoopResultBuilder]: For program point L574-4(lines 574 582) no Hoare annotation was computed. [2021-11-07 00:59:23,931 INFO L857 garLoopResultBuilder]: For program point L574-5(lines 574 582) no Hoare annotation was computed. [2021-11-07 00:59:23,932 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-11-07 00:59:23,932 INFO L857 garLoopResultBuilder]: For program point L839-3(lines 839 843) no Hoare annotation was computed. [2021-11-07 00:59:23,932 INFO L857 garLoopResultBuilder]: For program point L839-6(lines 839 843) no Hoare annotation was computed. [2021-11-07 00:59:23,933 INFO L853 garLoopResultBuilder]: At program point L775(lines 726 776) the Hoare annotation is: false [2021-11-07 00:59:23,933 INFO L853 garLoopResultBuilder]: At program point L545(lines 545 551) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,933 INFO L853 garLoopResultBuilder]: At program point L545-1(lines 545 551) the Hoare annotation is: false [2021-11-07 00:59:23,933 INFO L853 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,939 INFO L853 garLoopResultBuilder]: At program point L545-2(lines 545 551) the Hoare annotation is: false [2021-11-07 00:59:23,940 INFO L853 garLoopResultBuilder]: At program point L876(lines 871 879) the Hoare annotation is: false [2021-11-07 00:59:23,940 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 871 879) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,940 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 827) no Hoare annotation was computed. [2021-11-07 00:59:23,940 INFO L853 garLoopResultBuilder]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2021-11-07 00:59:23,940 INFO L853 garLoopResultBuilder]: At program point L810-1(lines 1 955) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,940 INFO L853 garLoopResultBuilder]: At program point L876-3(lines 871 879) the Hoare annotation is: false [2021-11-07 00:59:23,941 INFO L857 garLoopResultBuilder]: For program point L810-2(lines 810 827) no Hoare annotation was computed. [2021-11-07 00:59:23,941 INFO L853 garLoopResultBuilder]: At program point L876-4(lines 871 879) the Hoare annotation is: false [2021-11-07 00:59:23,942 INFO L853 garLoopResultBuilder]: At program point L810-3(lines 1 955) the Hoare annotation is: false [2021-11-07 00:59:23,942 INFO L853 garLoopResultBuilder]: At program point L876-5(lines 871 879) the Hoare annotation is: false [2021-11-07 00:59:23,942 INFO L857 garLoopResultBuilder]: For program point L810-4(lines 810 827) no Hoare annotation was computed. [2021-11-07 00:59:23,942 INFO L853 garLoopResultBuilder]: At program point L810-5(lines 1 955) the Hoare annotation is: false [2021-11-07 00:59:23,943 INFO L853 garLoopResultBuilder]: At program point L944(lines 1 955) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,943 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:59:23,943 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 753) no Hoare annotation was computed. [2021-11-07 00:59:23,944 INFO L853 garLoopResultBuilder]: At program point L747-1(lines 747 753) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,944 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 824) no Hoare annotation was computed. [2021-11-07 00:59:23,944 INFO L857 garLoopResultBuilder]: For program point L814-2(lines 814 824) no Hoare annotation was computed. [2021-11-07 00:59:23,944 INFO L857 garLoopResultBuilder]: For program point L814-4(lines 814 824) no Hoare annotation was computed. [2021-11-07 00:59:23,944 INFO L853 garLoopResultBuilder]: At program point L649(lines 644 652) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,944 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 644 652) the Hoare annotation is: false [2021-11-07 00:59:23,945 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 644 652) the Hoare annotation is: false [2021-11-07 00:59:23,945 INFO L860 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-11-07 00:59:23,945 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2021-11-07 00:59:23,945 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 821) no Hoare annotation was computed. [2021-11-07 00:59:23,947 INFO L857 garLoopResultBuilder]: For program point L815-4(lines 815 821) no Hoare annotation was computed. [2021-11-07 00:59:23,947 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:59:23,947 INFO L853 garLoopResultBuilder]: At program point L917(lines 912 920) the Hoare annotation is: false [2021-11-07 00:59:23,947 INFO L853 garLoopResultBuilder]: At program point L917-1(lines 912 920) the Hoare annotation is: false [2021-11-07 00:59:23,947 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 855) no Hoare annotation was computed. [2021-11-07 00:59:23,947 INFO L853 garLoopResultBuilder]: At program point L917-2(lines 912 920) the Hoare annotation is: false [2021-11-07 00:59:23,948 INFO L853 garLoopResultBuilder]: At program point L917-3(lines 912 920) the Hoare annotation is: false [2021-11-07 00:59:23,948 INFO L853 garLoopResultBuilder]: At program point L917-4(lines 912 920) the Hoare annotation is: false [2021-11-07 00:59:23,948 INFO L853 garLoopResultBuilder]: At program point L917-5(lines 912 920) the Hoare annotation is: false [2021-11-07 00:59:23,948 INFO L853 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:23,948 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:59:23,948 INFO L857 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2021-11-07 00:59:23,949 INFO L857 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2021-11-07 00:59:23,949 INFO L857 garLoopResultBuilder]: For program point L788-2(line 788) no Hoare annotation was computed. [2021-11-07 00:59:23,949 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-11-07 00:59:23,949 INFO L853 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2021-11-07 00:59:23,949 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:59:23,949 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-11-07 00:59:23,950 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-11-07 00:59:23,950 INFO L857 garLoopResultBuilder]: For program point L728(lines 727 774) no Hoare annotation was computed. [2021-11-07 00:59:23,950 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 613) no Hoare annotation was computed. [2021-11-07 00:59:23,951 INFO L857 garLoopResultBuilder]: For program point L596-1(lines 596 613) no Hoare annotation was computed. [2021-11-07 00:59:23,951 INFO L857 garLoopResultBuilder]: For program point L596-2(lines 596 613) no Hoare annotation was computed. [2021-11-07 00:59:23,954 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 00:59:23,955 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:59:23,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:59:23 BoogieIcfgContainer [2021-11-07 00:59:23,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:59:23,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:59:23,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:59:23,987 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:59:23,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:19" (3/4) ... [2021-11-07 00:59:23,992 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:59:24,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 00:59:24,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 00:59:24,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 00:59:24,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:59:24,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:59:24,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:59:24,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:59:24,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 00:59:24,143 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:59:24,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:59:24,145 INFO L168 Benchmark]: Toolchain (without parser) took 6981.59 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 44.9 MB in the beginning and 76.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:24,145 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:59:24,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.03 ms. Allocated memory is still 62.9 MB. Free memory was 44.7 MB in the beginning and 31.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:24,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.79 ms. Allocated memory is still 62.9 MB. Free memory was 31.8 MB in the beginning and 28.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:24,147 INFO L168 Benchmark]: Boogie Preprocessor took 44.98 ms. Allocated memory is still 62.9 MB. Free memory was 28.4 MB in the beginning and 25.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:24,147 INFO L168 Benchmark]: RCFGBuilder took 2109.49 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 25.5 MB in the beginning and 58.6 MB in the end (delta: -33.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:24,147 INFO L168 Benchmark]: TraceAbstraction took 3993.17 ms. Allocated memory is still 81.8 MB. Free memory was 58.1 MB in the beginning and 36.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:24,148 INFO L168 Benchmark]: Witness Printer took 157.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 36.0 MB in the beginning and 76.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:24,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.03 ms. Allocated memory is still 62.9 MB. Free memory was 44.7 MB in the beginning and 31.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.79 ms. Allocated memory is still 62.9 MB. Free memory was 31.8 MB in the beginning and 28.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.98 ms. Allocated memory is still 62.9 MB. Free memory was 28.4 MB in the beginning and 25.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2109.49 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 25.5 MB in the beginning and 58.6 MB in the end (delta: -33.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3993.17 ms. Allocated memory is still 81.8 MB. Free memory was 58.1 MB in the beginning and 36.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Witness Printer took 157.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 36.0 MB in the beginning and 76.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 10.5 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: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 788]: 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 403 SDslu, 369 SDs, 0 SdLazy, 62 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 85 NumberOfFragments, 155 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1334 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 7 NumberOfNonLiveVariables, 993 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 00:59:24,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179fb43e-a6a0-4c71-b7b0-f21176f7ced2/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