./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.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_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/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_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/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_01534d3d-a263-4b29-859b-8c0f5afe7a76/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 e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:19:36,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:36,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:36,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:36,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:36,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:36,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:36,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:36,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:36,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:36,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:36,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:36,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:36,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:36,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:36,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:36,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:36,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:36,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:36,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:36,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:36,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:36,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:36,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:36,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:36,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:36,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:36,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:36,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:36,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:36,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:36,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:36,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:36,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:36,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:36,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:36,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:36,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:36,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:36,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:36,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:36,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:19:36,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:36,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:36,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:36,621 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:36,621 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:36,621 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:36,621 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:19:36,622 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:36,628 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:36,629 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:19:36,630 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:19:36,630 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:36,630 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:19:36,631 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:19:36,631 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:19:36,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:36,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:36,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:19:36,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:36,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:36,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:36,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:36,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:36,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:36,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:36,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:36,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:36,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:36,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:36,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:36,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:36,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:36,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:36,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:36,639 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:19:36,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:19:36,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:36,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:36,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:36,640 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_01534d3d-a263-4b29-859b-8c0f5afe7a76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2021-11-07 02:19:36,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:36,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:36,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:36,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:36,977 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:36,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-07 02:19:37,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/2aac94c1a/f0772c7db9a94c02bd57b931d93ddc6d/FLAG2c0ce0825 [2021-11-07 02:19:37,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:37,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-07 02:19:37,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/2aac94c1a/f0772c7db9a94c02bd57b931d93ddc6d/FLAG2c0ce0825 [2021-11-07 02:19:37,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/2aac94c1a/f0772c7db9a94c02bd57b931d93ddc6d [2021-11-07 02:19:37,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:37,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:37,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:37,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:37,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:37,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:37" (1/1) ... [2021-11-07 02:19:37,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e58a86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:37, skipping insertion in model container [2021-11-07 02:19:37,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:37" (1/1) ... [2021-11-07 02:19:37,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:38,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:38,377 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_01534d3d-a263-4b29-859b-8c0f5afe7a76/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-07 02:19:38,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:38,414 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 02:19:38,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@607286dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:38, skipping insertion in model container [2021-11-07 02:19:38,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:38,416 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:19:38,419 INFO L168 Benchmark]: Toolchain (without parser) took 481.00 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 55.1 MB in the beginning and 96.7 MB in the end (delta: -41.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:38,420 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 60.6 MB in the beginning and 60.6 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:19:38,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.72 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 54.9 MB in the beginning and 97.1 MB in the end (delta: -42.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:38,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 60.6 MB in the beginning and 60.6 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.72 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 54.9 MB in the beginning and 97.1 MB in the end (delta: -42.2 MB). Peak memory consumption was 9.9 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_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/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_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/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_01534d3d-a263-4b29-859b-8c0f5afe7a76/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 e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:19:40,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:40,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:40,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:40,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:40,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:40,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:40,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:40,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:40,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:40,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:40,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:40,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:40,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:40,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:40,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:40,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:40,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:40,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:40,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:40,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:40,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:40,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:40,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:40,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:40,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:40,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:40,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:40,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:40,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:40,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:40,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:40,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:40,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:40,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:40,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:40,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:40,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:40,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:40,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:40,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:40,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:19:40,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:40,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:40,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:40,941 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:40,942 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:40,942 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:40,942 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:40,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:40,943 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:40,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:40,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:40,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:40,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:40,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:40,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:40,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:40,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:40,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:19:40,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:19:40,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:40,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:40,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:40,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:40,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:40,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:19:40,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:40,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:40,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:40,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:40,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:40,950 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:19:40,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:19:40,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:40,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:40,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:40,952 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_01534d3d-a263-4b29-859b-8c0f5afe7a76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2021-11-07 02:19:41,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:41,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:41,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:41,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:41,476 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:41,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-07 02:19:41,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/5e062ddb5/09ae47b948b8463087d5bc4ff928df9c/FLAGcaeb41bb9 [2021-11-07 02:19:42,213 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:42,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-07 02:19:42,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/5e062ddb5/09ae47b948b8463087d5bc4ff928df9c/FLAGcaeb41bb9 [2021-11-07 02:19:42,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/data/5e062ddb5/09ae47b948b8463087d5bc4ff928df9c [2021-11-07 02:19:42,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:42,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:42,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:42,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:42,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:42,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:42" (1/1) ... [2021-11-07 02:19:42,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7772d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:42, skipping insertion in model container [2021-11-07 02:19:42,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:42" (1/1) ... [2021-11-07 02:19:42,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:42,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:42,993 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_01534d3d-a263-4b29-859b-8c0f5afe7a76/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-07 02:19:43,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:43,026 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:19:43,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:43,102 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_01534d3d-a263-4b29-859b-8c0f5afe7a76/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-07 02:19:43,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:43,119 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:43,199 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_01534d3d-a263-4b29-859b-8c0f5afe7a76/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-07 02:19:43,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:43,252 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:43,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43 WrapperNode [2021-11-07 02:19:43,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:43,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:43,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:43,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:43,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:43,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:19:43,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:19:43,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:19:43,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:19:43,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:19:43,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:19:43,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:19:43,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:43,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:43,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:19:43,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:19:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:19:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:19:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:19:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:19:46,149 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:19:46,150 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-11-07 02:19:46,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:46 BoogieIcfgContainer [2021-11-07 02:19:46,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:19:46,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:19:46,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:19:46,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:19:46,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:19:42" (1/3) ... [2021-11-07 02:19:46,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dabbd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:46, skipping insertion in model container [2021-11-07 02:19:46,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (2/3) ... [2021-11-07 02:19:46,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dabbd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:46, skipping insertion in model container [2021-11-07 02:19:46,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:46" (3/3) ... [2021-11-07 02:19:46,164 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2021-11-07 02:19:46,171 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:19:46,171 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:19:46,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:19:46,258 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 02:19:46,259 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:19:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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 02:19:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 02:19:46,287 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:46,288 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 02:19:46,289 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 02:19:46,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:46,295 INFO L85 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2021-11-07 02:19:46,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:46,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798933276] [2021-11-07 02:19:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:46,312 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:46,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:46,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:46,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:19:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:46,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:19:46,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:46,706 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 02:19:46,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:46,790 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 02:19:46,791 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:46,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798933276] [2021-11-07 02:19:46,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798933276] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:46,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:46,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:19:46,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779435247] [2021-11-07 02:19:46,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:19:46,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:46,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:19:46,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:19:46,843 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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 02:19:46,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:46,882 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-11-07 02:19:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:19:46,884 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 02:19:46,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:46,898 INFO L225 Difference]: With dead ends: 119 [2021-11-07 02:19:46,898 INFO L226 Difference]: Without dead ends: 59 [2021-11-07 02:19:46,904 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 02:19:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-11-07 02:19:46,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-11-07 02:19:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 58 states have internal predecessors, (82), 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 02:19:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2021-11-07 02:19:46,960 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2021-11-07 02:19:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:46,960 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2021-11-07 02:19:46,961 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 02:19:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2021-11-07 02:19:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 02:19:46,963 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:46,963 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 02:19:46,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:47,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:47,188 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 02:19:47,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:47,189 INFO L85 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2021-11-07 02:19:47,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:47,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31641815] [2021-11-07 02:19:47,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:47,191 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:47,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:47,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:47,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:19:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:47,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:19:47,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:47,504 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 02:19:47,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:47,580 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 02:19:47,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:47,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31641815] [2021-11-07 02:19:47,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31641815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:47,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:47,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:19:47,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973394854] [2021-11-07 02:19:47,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:19:47,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:47,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:19:47,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:19:47,591 INFO L87 Difference]: Start difference. First operand 59 states and 82 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 02:19:47,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:47,615 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2021-11-07 02:19:47,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:19:47,616 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 02:19:47,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:47,618 INFO L225 Difference]: With dead ends: 59 [2021-11-07 02:19:47,618 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 02:19:47,620 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 02:19:47,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 02:19:47,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 02:19:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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 02:19:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-11-07 02:19:47,639 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-11-07 02:19:47,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:47,640 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-11-07 02:19:47,641 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 02:19:47,641 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-07 02:19:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:19:47,643 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:47,647 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 02:19:47,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:47,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:47,862 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 02:19:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2021-11-07 02:19:47,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:47,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969298628] [2021-11-07 02:19:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:47,880 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:47,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:47,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:47,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:19:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:48,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:48,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:48,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:48,379 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 02:19:48,379 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:48,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969298628] [2021-11-07 02:19:48,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969298628] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:48,380 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:48,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:19:48,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398833842] [2021-11-07 02:19:48,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:19:48,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:19:48,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:19:48,383 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 02:19:48,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:48,489 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2021-11-07 02:19:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:19:48,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 02:19:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:48,497 INFO L225 Difference]: With dead ends: 126 [2021-11-07 02:19:48,497 INFO L226 Difference]: Without dead ends: 102 [2021-11-07 02:19:48,498 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 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 02:19:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-11-07 02:19:48,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2021-11-07 02:19:48,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 49 states have internal predecessors, (71), 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 02:19:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2021-11-07 02:19:48,520 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2021-11-07 02:19:48,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:48,521 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2021-11-07 02:19:48,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 02:19:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2021-11-07 02:19:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 02:19:48,523 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:48,523 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] [2021-11-07 02:19:48,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:48,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:48,738 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 02:19:48,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:48,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2021-11-07 02:19:48,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:48,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895186959] [2021-11-07 02:19:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:48,740 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:48,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:48,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:19:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:48,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:48,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:49,076 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 02:19:49,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:49,159 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 02:19:49,160 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:49,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895186959] [2021-11-07 02:19:49,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895186959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:49,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:49,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:19:49,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039509228] [2021-11-07 02:19:49,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:19:49,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:49,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:19:49,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:19:49,163 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 02:19:49,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:49,259 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2021-11-07 02:19:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:19:49,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2021-11-07 02:19:49,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:49,261 INFO L225 Difference]: With dead ends: 148 [2021-11-07 02:19:49,261 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:19:49,262 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 02:19:49,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:19:49,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:19:49,263 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 02:19:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:19:49,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-11-07 02:19:49,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:49,264 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:19:49,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 02:19:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:19:49,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:19:49,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:19:49,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:19:49,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:19:49,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:49,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:49,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:19:49,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:49,827 INFO L853 garLoopResultBuilder]: At program point L861(lines 856 863) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 769) no Hoare annotation was computed. [2021-11-07 02:19:49,828 INFO L853 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:19:49,828 INFO L853 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: false [2021-11-07 02:19:49,828 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 614) no Hoare annotation was computed. [2021-11-07 02:19:49,829 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-11-07 02:19:49,829 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2021-11-07 02:19:49,829 INFO L857 garLoopResultBuilder]: For program point L781-3(lines 781 785) no Hoare annotation was computed. [2021-11-07 02:19:49,830 INFO L853 garLoopResultBuilder]: At program point L649(lines 649 655) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,830 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 649 655) the Hoare annotation is: false [2021-11-07 02:19:49,830 INFO L857 garLoopResultBuilder]: For program point L781-6(lines 781 785) no Hoare annotation was computed. [2021-11-07 02:19:49,830 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 649 655) the Hoare annotation is: false [2021-11-07 02:19:49,831 INFO L853 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,831 INFO L860 garLoopResultBuilder]: At program point L552(lines 533 555) the Hoare annotation is: true [2021-11-07 02:19:49,831 INFO L853 garLoopResultBuilder]: At program point L701(lines 696 704) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,832 INFO L853 garLoopResultBuilder]: At program point L701-1(lines 696 704) the Hoare annotation is: false [2021-11-07 02:19:49,832 INFO L853 garLoopResultBuilder]: At program point L701-2(lines 696 704) the Hoare annotation is: false [2021-11-07 02:19:49,832 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-11-07 02:19:49,832 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 642 648) no Hoare annotation was computed. [2021-11-07 02:19:49,833 INFO L853 garLoopResultBuilder]: At program point L619(lines 568 620) the Hoare annotation is: false [2021-11-07 02:19:49,833 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:19:49,833 INFO L857 garLoopResultBuilder]: For program point L570(lines 569 618) no Hoare annotation was computed. [2021-11-07 02:19:49,833 INFO L853 garLoopResultBuilder]: At program point L818(lines 813 821) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,834 INFO L853 garLoopResultBuilder]: At program point L818-1(lines 813 821) the Hoare annotation is: false [2021-11-07 02:19:49,834 INFO L853 garLoopResultBuilder]: At program point L818-2(lines 813 821) the Hoare annotation is: false [2021-11-07 02:19:49,834 INFO L857 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed. [2021-11-07 02:19:49,834 INFO L857 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2021-11-07 02:19:49,835 INFO L857 garLoopResultBuilder]: For program point L769-2(line 769) no Hoare annotation was computed. [2021-11-07 02:19:49,835 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-11-07 02:19:49,835 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 769) no Hoare annotation was computed. [2021-11-07 02:19:49,836 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-11-07 02:19:49,836 INFO L853 garLoopResultBuilder]: At program point L589-1(lines 589 595) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,836 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:19:49,836 INFO L853 garLoopResultBuilder]: At program point L441(lines 1 892) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,837 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 809) no Hoare annotation was computed. [2021-11-07 02:19:49,837 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 613) no Hoare annotation was computed. [2021-11-07 02:19:49,837 INFO L853 garLoopResultBuilder]: At program point L607-1(lines 642 648) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,837 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 889) no Hoare annotation was computed. [2021-11-07 02:19:49,838 INFO L853 garLoopResultBuilder]: At program point L872-1(lines 1 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,838 INFO L857 garLoopResultBuilder]: For program point L872-2(lines 872 889) no Hoare annotation was computed. [2021-11-07 02:19:49,838 INFO L853 garLoopResultBuilder]: At program point L872-3(lines 1 892) the Hoare annotation is: false [2021-11-07 02:19:49,838 INFO L857 garLoopResultBuilder]: For program point L872-4(lines 872 889) no Hoare annotation was computed. [2021-11-07 02:19:49,839 INFO L853 garLoopResultBuilder]: At program point L872-5(lines 1 892) the Hoare annotation is: false [2021-11-07 02:19:49,839 INFO L853 garLoopResultBuilder]: At program point L642(lines 641 660) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,839 INFO L857 garLoopResultBuilder]: For program point L642-1(lines 642 648) no Hoare annotation was computed. [2021-11-07 02:19:49,839 INFO L853 garLoopResultBuilder]: At program point L642-2(lines 641 660) the Hoare annotation is: false [2021-11-07 02:19:49,840 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2021-11-07 02:19:49,840 INFO L853 garLoopResultBuilder]: At program point L642-3(lines 641 660) the Hoare annotation is: false [2021-11-07 02:19:49,840 INFO L860 garLoopResultBuilder]: At program point L543-1(lines 543 550) the Hoare annotation is: true [2021-11-07 02:19:49,841 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:19:49,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 769) no Hoare annotation was computed. [2021-11-07 02:19:49,841 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 797) no Hoare annotation was computed. [2021-11-07 02:19:49,841 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 886) no Hoare annotation was computed. [2021-11-07 02:19:49,842 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 886) no Hoare annotation was computed. [2021-11-07 02:19:49,842 INFO L857 garLoopResultBuilder]: For program point L876-4(lines 876 886) no Hoare annotation was computed. [2021-11-07 02:19:49,842 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-11-07 02:19:49,842 INFO L853 garLoopResultBuilder]: At program point L579-1(lines 579 585) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,843 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-11-07 02:19:49,843 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 883) no Hoare annotation was computed. [2021-11-07 02:19:49,843 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2021-11-07 02:19:49,843 INFO L857 garLoopResultBuilder]: For program point L877-4(lines 877 883) no Hoare annotation was computed. [2021-11-07 02:19:49,844 INFO L853 garLoopResultBuilder]: At program point L745-1(lines 745 751) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:19:49,848 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 02:19:49,849 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:19:49,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:19:49 BoogieIcfgContainer [2021-11-07 02:19:49,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:19:49,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:19:49,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:19:49,868 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:19:49,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:46" (3/4) ... [2021-11-07 02:19:49,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:19:49,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 02:19:49,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 02:19:49,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 02:19:49,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 02:19:49,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:19:49,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:19:49,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:19:49,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 02:19:49,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:19:49,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:19:49,965 INFO L168 Benchmark]: Toolchain (without parser) took 7429.39 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 45.8 MB in the beginning and 91.5 MB in the end (delta: -45.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:49,965 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:19:49,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.43 ms. Allocated memory is still 67.1 MB. Free memory was 45.6 MB in the beginning and 36.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:49,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.33 ms. Allocated memory is still 67.1 MB. Free memory was 36.2 MB in the beginning and 33.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:49,967 INFO L168 Benchmark]: Boogie Preprocessor took 89.04 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 31.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:49,967 INFO L168 Benchmark]: RCFGBuilder took 2695.40 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 31.4 MB in the beginning and 63.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:49,968 INFO L168 Benchmark]: TraceAbstraction took 3710.37 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 63.2 MB in the beginning and 97.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:49,968 INFO L168 Benchmark]: Witness Printer took 96.13 ms. Allocated memory is still 125.8 MB. Free memory was 97.5 MB in the beginning and 91.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:49,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 713.43 ms. Allocated memory is still 67.1 MB. Free memory was 45.6 MB in the beginning and 36.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.33 ms. Allocated memory is still 67.1 MB. Free memory was 36.2 MB in the beginning and 33.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.04 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 31.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2695.40 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 31.4 MB in the beginning and 63.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3710.37 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 63.2 MB in the beginning and 97.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Witness Printer took 96.13 ms. Allocated memory is still 125.8 MB. Free memory was 97.5 MB in the beginning and 91.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 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: 769]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 769]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 769]: 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, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 245 SDtfs, 281 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 7 NumberOfNonLiveVariables, 789 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 444]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 02:19:50,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01534d3d-a263-4b29-859b-8c0f5afe7a76/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