./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.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_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/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_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/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_4dbf630f-af42-45e9-bb0f-19dc316eccef/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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:34:29,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:34:29,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:34:29,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:34:29,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:34:29,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:34:29,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:34:29,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:34:29,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:34:29,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:34:29,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:34:29,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:34:29,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:34:29,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:34:29,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:34:29,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:34:29,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:34:29,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:34:29,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:34:29,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:34:29,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:34:29,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:34:29,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:34:29,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:34:29,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:34:29,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:34:29,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:34:29,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:34:29,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:34:29,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:34:29,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:34:29,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:34:29,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:34:29,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:34:29,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:34:29,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:34:29,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:34:29,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:34:29,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:34:29,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:34:29,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:34:29,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:34:29,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:34:29,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:34:29,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:34:29,853 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:34:29,853 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:34:29,853 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:34:29,854 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:34:29,854 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:34:29,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:34:29,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:34:29,860 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:34:29,860 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:34:29,860 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:34:29,860 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:34:29,861 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:34:29,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:34:29,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:34:29,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:34:29,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:34:29,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:34:29,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:34:29,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:34:29,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:34:29,864 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:34:29,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:34:29,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:34:29,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:34:29,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:34:29,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:34:29,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:34:29,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:34:29,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:34:29,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:34:29,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:34:29,866 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:34:29,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:34:29,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:34:29,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:34:29,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:34:29,868 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_4dbf630f-af42-45e9-bb0f-19dc316eccef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2021-11-07 01:34:30,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:34:30,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:34:30,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:34:30,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:34:30,313 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:34:30,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-11-07 01:34:30,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/2f177a690/9d8d34780345453d88dcfba6079108cb/FLAG234a332e1 [2021-11-07 01:34:31,079 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:34:31,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-11-07 01:34:31,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/2f177a690/9d8d34780345453d88dcfba6079108cb/FLAG234a332e1 [2021-11-07 01:34:31,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/2f177a690/9d8d34780345453d88dcfba6079108cb [2021-11-07 01:34:31,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:34:31,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:34:31,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:31,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:34:31,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:34:31,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:31" (1/1) ... [2021-11-07 01:34:31,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773c612d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:31, skipping insertion in model container [2021-11-07 01:34:31,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:31" (1/1) ... [2021-11-07 01:34:31,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:34:31,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:34:31,640 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_4dbf630f-af42-45e9-bb0f-19dc316eccef/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-11-07 01:34:31,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:31,811 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:34:31,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e1d8561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:31, skipping insertion in model container [2021-11-07 01:34:31,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:31,812 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:34:31,822 INFO L168 Benchmark]: Toolchain (without parser) took 492.49 ms. Allocated memory is still 117.4 MB. Free memory was 78.6 MB in the beginning and 90.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:31,823 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 117.4 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:34:31,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.50 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 90.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:31,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 117.4 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.50 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 90.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 316]: 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_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/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_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/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_4dbf630f-af42-45e9-bb0f-19dc316eccef/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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:34:34,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:34:34,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:34:34,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:34:34,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:34:34,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:34:34,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:34:34,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:34:34,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:34:34,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:34:34,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:34:34,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:34:34,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:34:34,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:34:34,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:34:34,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:34:34,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:34:34,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:34:34,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:34:34,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:34:34,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:34:34,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:34:34,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:34:34,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:34:34,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:34:34,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:34:34,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:34:34,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:34:34,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:34:34,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:34:34,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:34:34,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:34:34,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:34:34,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:34:34,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:34:34,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:34:34,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:34:34,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:34:34,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:34:34,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:34:34,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:34:34,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:34:34,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:34:34,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:34:34,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:34:34,773 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:34:34,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:34:34,773 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:34:34,774 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:34:34,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:34:34,774 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:34:34,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:34:34,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:34:34,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:34:34,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:34:34,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:34:34,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:34:34,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:34:34,778 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:34:34,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:34:34,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:34:34,779 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:34:34,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:34:34,779 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:34:34,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:34:34,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:34:34,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:34:34,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:34:34,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:34:34,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:34:34,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:34:34,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:34:34,782 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:34:34,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:34,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:34:34,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:34:34,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:34:34,783 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_4dbf630f-af42-45e9-bb0f-19dc316eccef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2021-11-07 01:34:35,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:34:35,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:34:35,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:34:35,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:34:35,263 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:34:35,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-11-07 01:34:35,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/de5a8af19/7200c630265a4766901f40598a5398b9/FLAG15ac969c7 [2021-11-07 01:34:36,169 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:34:36,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-11-07 01:34:36,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/de5a8af19/7200c630265a4766901f40598a5398b9/FLAG15ac969c7 [2021-11-07 01:34:36,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/data/de5a8af19/7200c630265a4766901f40598a5398b9 [2021-11-07 01:34:36,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:34:36,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:34:36,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:36,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:34:36,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:34:36,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:36" (1/1) ... [2021-11-07 01:34:36,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7861dd37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:36, skipping insertion in model container [2021-11-07 01:34:36,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:36" (1/1) ... [2021-11-07 01:34:36,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:34:36,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:34:36,635 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_4dbf630f-af42-45e9-bb0f-19dc316eccef/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-11-07 01:34:36,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:36,865 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:34:36,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:34:36,879 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_4dbf630f-af42-45e9-bb0f-19dc316eccef/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-11-07 01:34:36,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:36,976 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:34:36,993 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_4dbf630f-af42-45e9-bb0f-19dc316eccef/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-11-07 01:34:37,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:37,161 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:34:37,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37 WrapperNode [2021-11-07 01:34:37,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:37,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:34:37,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:34:37,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:34:37,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:34:37,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:34:37,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:34:37,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:34:37,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:34:37,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:34:37,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:34:37,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:34:37,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (1/1) ... [2021-11-07 01:34:37,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:34:37,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:34:37,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:34:37,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:34:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:34:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:34:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:34:37,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:34:40,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:34:40,005 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-11-07 01:34:40,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:40 BoogieIcfgContainer [2021-11-07 01:34:40,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:34:40,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:34:40,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:34:40,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:34:40,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:34:36" (1/3) ... [2021-11-07 01:34:40,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5976bc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:40, skipping insertion in model container [2021-11-07 01:34:40,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:37" (2/3) ... [2021-11-07 01:34:40,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5976bc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:40, skipping insertion in model container [2021-11-07 01:34:40,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:40" (3/3) ... [2021-11-07 01:34:40,018 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-11-07 01:34:40,024 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:34:40,025 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:34:40,097 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:34:40,103 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:34:40,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:34:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:34:40,128 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:40,129 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 01:34:40,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:40,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:40,135 INFO L85 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2021-11-07 01:34:40,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:40,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359697933] [2021-11-07 01:34:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:40,152 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:40,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:40,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:40,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:34:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:40,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:34:40,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:40,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:40,517 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:40,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359697933] [2021-11-07 01:34:40,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359697933] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:40,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:40,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:34:40,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380014012] [2021-11-07 01:34:40,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:34:40,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:40,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:34:40,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:34:40,545 INFO L87 Difference]: Start difference. First operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:40,591 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-11-07 01:34:40,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:34:40,593 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 01:34:40,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:40,606 INFO L225 Difference]: With dead ends: 171 [2021-11-07 01:34:40,607 INFO L226 Difference]: Without dead ends: 85 [2021-11-07 01:34:40,610 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:34:40,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-07 01:34:40,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-07 01:34:40,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 84 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-11-07 01:34:40,663 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-11-07 01:34:40,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:40,664 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-11-07 01:34:40,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-11-07 01:34:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:34:40,667 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:40,667 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] [2021-11-07 01:34:40,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:34:40,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:40,868 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:40,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:40,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2021-11-07 01:34:40,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:40,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731035653] [2021-11-07 01:34:40,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:40,871 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:40,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:40,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:40,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:34:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:41,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:41,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:41,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:41,283 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:41,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731035653] [2021-11-07 01:34:41,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731035653] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:41,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:41,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:41,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634731688] [2021-11-07 01:34:41,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:34:41,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:41,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:34:41,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:41,294 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:41,327 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-11-07 01:34:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:34:41,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-07 01:34:41,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:41,332 INFO L225 Difference]: With dead ends: 85 [2021-11-07 01:34:41,332 INFO L226 Difference]: Without dead ends: 40 [2021-11-07 01:34:41,335 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-07 01:34:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-07 01:34:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-11-07 01:34:41,355 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-11-07 01:34:41,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:41,355 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-11-07 01:34:41,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,357 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-11-07 01:34:41,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:34:41,359 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:41,364 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:41,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:41,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:41,580 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:41,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:41,581 INFO L85 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2021-11-07 01:34:41,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:41,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345759884] [2021-11-07 01:34:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:41,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:41,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:41,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:41,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:34:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:41,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:41,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:41,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:42,041 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:42,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345759884] [2021-11-07 01:34:42,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345759884] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:42,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:42,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:42,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558230284] [2021-11-07 01:34:42,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:34:42,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:42,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:34:42,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:42,049 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:42,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:42,106 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2021-11-07 01:34:42,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:34:42,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:34:42,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:42,108 INFO L225 Difference]: With dead ends: 132 [2021-11-07 01:34:42,108 INFO L226 Difference]: Without dead ends: 99 [2021-11-07 01:34:42,109 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:42,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-07 01:34:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2021-11-07 01:34:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2021-11-07 01:34:42,122 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2021-11-07 01:34:42,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:42,123 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2021-11-07 01:34:42,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2021-11-07 01:34:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:34:42,125 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:42,125 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:42,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:42,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:42,350 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:42,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:42,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2021-11-07 01:34:42,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:42,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459316601] [2021-11-07 01:34:42,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:42,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:42,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:42,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:42,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:34:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:42,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:42,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:42,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:42,792 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:42,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459316601] [2021-11-07 01:34:42,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459316601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:42,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:42,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:34:42,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3683634] [2021-11-07 01:34:42,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:34:42,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:42,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:34:42,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:34:42,795 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:42,873 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2021-11-07 01:34:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:34:42,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:34:42,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:42,879 INFO L225 Difference]: With dead ends: 141 [2021-11-07 01:34:42,879 INFO L226 Difference]: Without dead ends: 86 [2021-11-07 01:34:42,880 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:34:42,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-07 01:34:42,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2021-11-07 01:34:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2021-11-07 01:34:42,907 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2021-11-07 01:34:42,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:42,908 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2021-11-07 01:34:42,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-11-07 01:34:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:34:42,909 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:42,910 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:42,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:43,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:43,137 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:43,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:43,138 INFO L85 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2021-11-07 01:34:43,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:43,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511927845] [2021-11-07 01:34:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:43,139 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:43,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:43,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:43,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:34:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:43,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:43,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:43,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:43,621 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:43,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511927845] [2021-11-07 01:34:43,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511927845] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:43,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:43,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:34:43,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407453728] [2021-11-07 01:34:43,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:43,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:43,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:43,625 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:43,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:43,837 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2021-11-07 01:34:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:34:43,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-11-07 01:34:43,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:43,839 INFO L225 Difference]: With dead ends: 273 [2021-11-07 01:34:43,840 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 01:34:43,841 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 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 01:34:43,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 01:34:43,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2021-11-07 01:34:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2021-11-07 01:34:43,858 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2021-11-07 01:34:43,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:43,858 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2021-11-07 01:34:43,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2021-11-07 01:34:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:34:43,860 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:43,861 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:43,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:44,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:44,073 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:44,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:44,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2021-11-07 01:34:44,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:44,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719009194] [2021-11-07 01:34:44,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:44,075 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:44,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:44,076 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:44,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:34:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:44,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:44,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:44,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:44,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:44,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719009194] [2021-11-07 01:34:44,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719009194] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:44,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:44,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:34:44,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81162808] [2021-11-07 01:34:44,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:44,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:44,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:44,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:44,564 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:44,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:44,659 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2021-11-07 01:34:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:34:44,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-11-07 01:34:44,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:44,663 INFO L225 Difference]: With dead ends: 240 [2021-11-07 01:34:44,666 INFO L226 Difference]: Without dead ends: 165 [2021-11-07 01:34:44,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 01:34:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-07 01:34:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2021-11-07 01:34:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-11-07 01:34:44,699 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2021-11-07 01:34:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:44,701 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-11-07 01:34:44,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-11-07 01:34:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:34:44,703 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:44,703 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:44,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:44,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:44,909 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:44,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2021-11-07 01:34:44,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:44,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972762029] [2021-11-07 01:34:44,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:44,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:44,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:44,912 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:44,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:34:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:45,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:34:45,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:45,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:45,401 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:45,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972762029] [2021-11-07 01:34:45,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972762029] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:45,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:45,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:34:45,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798783569] [2021-11-07 01:34:45,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:34:45,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:45,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:34:45,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:34:45,406 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:45,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:45,506 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2021-11-07 01:34:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:34:45,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 33 [2021-11-07 01:34:45,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:45,509 INFO L225 Difference]: With dead ends: 254 [2021-11-07 01:34:45,510 INFO L226 Difference]: Without dead ends: 176 [2021-11-07 01:34:45,516 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-11-07 01:34:45,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2021-11-07 01:34:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-11-07 01:34:45,556 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2021-11-07 01:34:45,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:45,558 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-11-07 01:34:45,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2021-11-07 01:34:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:34:45,562 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:45,562 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:45,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:45,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:45,778 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:45,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2021-11-07 01:34:45,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:45,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494968058] [2021-11-07 01:34:45,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:45,780 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:45,782 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:45,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:34:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:46,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:46,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:46,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:46,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:46,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494968058] [2021-11-07 01:34:46,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494968058] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:46,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:46,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:34:46,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477081229] [2021-11-07 01:34:46,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:34:46,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:46,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:34:46,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:46,317 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:46,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:46,390 INFO L93 Difference]: Finished difference Result 289 states and 393 transitions. [2021-11-07 01:34:46,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:34:46,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 33 [2021-11-07 01:34:46,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:46,393 INFO L225 Difference]: With dead ends: 289 [2021-11-07 01:34:46,393 INFO L226 Difference]: Without dead ends: 209 [2021-11-07 01:34:46,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:46,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-11-07 01:34:46,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 158. [2021-11-07 01:34:46,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2021-11-07 01:34:46,427 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 33 [2021-11-07 01:34:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:46,428 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2021-11-07 01:34:46,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2021-11-07 01:34:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:34:46,431 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:46,431 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:46,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:46,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:46,650 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:46,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:46,651 INFO L85 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2021-11-07 01:34:46,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:46,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582095814] [2021-11-07 01:34:46,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:46,651 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:46,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:46,653 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:46,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:34:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:46,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:34:46,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:47,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:47,273 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:47,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582095814] [2021-11-07 01:34:47,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582095814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:47,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:47,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:34:47,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857380790] [2021-11-07 01:34:47,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:34:47,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:47,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:34:47,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:34:47,275 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:49,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:49,208 INFO L93 Difference]: Finished difference Result 788 states and 1075 transitions. [2021-11-07 01:34:49,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:34:49,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-11-07 01:34:49,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:49,214 INFO L225 Difference]: With dead ends: 788 [2021-11-07 01:34:49,215 INFO L226 Difference]: Without dead ends: 637 [2021-11-07 01:34:49,216 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:34:49,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-11-07 01:34:49,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 298. [2021-11-07 01:34:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 297 states have (on average 1.3367003367003367) internal successors, (397), 297 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 397 transitions. [2021-11-07 01:34:49,304 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 397 transitions. Word has length 34 [2021-11-07 01:34:49,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:49,305 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 397 transitions. [2021-11-07 01:34:49,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 397 transitions. [2021-11-07 01:34:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:34:49,307 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:49,308 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:49,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:49,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:49,523 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:49,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:49,524 INFO L85 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2021-11-07 01:34:49,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:49,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239094416] [2021-11-07 01:34:49,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:49,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:49,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:49,526 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:49,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:34:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:49,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:49,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:50,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:50,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:50,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239094416] [2021-11-07 01:34:50,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239094416] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:34:50,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [281122631] [2021-11-07 01:34:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:50,267 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:50,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:34:50,274 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:34:50,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 01:34:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:50,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:34:50,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:50,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:51,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [281122631] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:34:51,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216410807] [2021-11-07 01:34:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:51,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:34:51,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:34:51,088 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:34:51,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 01:34:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:51,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:51,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:51,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:51,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216410807] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:34:51,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:34:51,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-11-07 01:34:51,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841683275] [2021-11-07 01:34:51,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 01:34:51,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:51,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 01:34:51,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:34:51,827 INFO L87 Difference]: Start difference. First operand 298 states and 397 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:56,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:56,622 INFO L93 Difference]: Finished difference Result 662 states and 889 transitions. [2021-11-07 01:34:56,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:34:56,623 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 01:34:56,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:56,626 INFO L225 Difference]: With dead ends: 662 [2021-11-07 01:34:56,626 INFO L226 Difference]: Without dead ends: 371 [2021-11-07 01:34:56,627 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:34:56,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-11-07 01:34:56,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 304. [2021-11-07 01:34:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2937293729372936) internal successors, (392), 303 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 392 transitions. [2021-11-07 01:34:56,680 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 392 transitions. Word has length 51 [2021-11-07 01:34:56,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:56,680 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 392 transitions. [2021-11-07 01:34:56,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:56,681 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 392 transitions. [2021-11-07 01:34:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 01:34:56,683 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:56,683 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:56,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:56,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:57,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:57,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:34:57,297 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash 486649266, now seen corresponding path program 1 times [2021-11-07 01:34:57,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:57,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889439524] [2021-11-07 01:34:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:57,298 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:57,300 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:57,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:34:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:57,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:34:57,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-07 01:34:58,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-07 01:34:58,373 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:58,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889439524] [2021-11-07 01:34:58,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889439524] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:34:58,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [546373711] [2021-11-07 01:34:58,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:58,374 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:58,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:34:58,377 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:34:58,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-07 01:34:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:58,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:58,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-07 01:34:59,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-07 01:34:59,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [546373711] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:59,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:34:59,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-11-07 01:34:59,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909061508] [2021-11-07 01:34:59,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:34:59,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:59,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:34:59,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:34:59,358 INFO L87 Difference]: Start difference. First operand 304 states and 392 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:01,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:01,000 INFO L93 Difference]: Finished difference Result 609 states and 785 transitions. [2021-11-07 01:35:01,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:35:01,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 93 [2021-11-07 01:35:01,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:01,003 INFO L225 Difference]: With dead ends: 609 [2021-11-07 01:35:01,004 INFO L226 Difference]: Without dead ends: 312 [2021-11-07 01:35:01,004 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:35:01,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-07 01:35:01,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2021-11-07 01:35:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2805280528052805) internal successors, (388), 303 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 388 transitions. [2021-11-07 01:35:01,055 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 388 transitions. Word has length 93 [2021-11-07 01:35:01,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:01,056 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 388 transitions. [2021-11-07 01:35:01,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 388 transitions. [2021-11-07 01:35:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-07 01:35:01,059 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:01,059 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:01,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:01,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:01,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:01,473 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:01,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:01,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1658849388, now seen corresponding path program 1 times [2021-11-07 01:35:01,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:35:01,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305042289] [2021-11-07 01:35:01,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:01,474 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:35:01,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:35:01,475 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:35:01,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:35:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:01,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:35:01,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-07 01:35:02,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-07 01:35:02,823 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:35:02,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305042289] [2021-11-07 01:35:02,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305042289] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:02,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1937232916] [2021-11-07 01:35:02,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:02,824 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:02,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:35:02,833 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:35:02,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-07 01:35:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:03,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:35:03,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 01:35:03,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 01:35:04,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1937232916] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:04,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890220160] [2021-11-07 01:35:04,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:04,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:04,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:04,425 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:04,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-07 01:35:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:05,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:35:05,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 01:35:05,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 01:35:05,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890220160] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:05,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-11-07 01:35:05,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 7, 7, 8] total 18 [2021-11-07 01:35:05,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243120699] [2021-11-07 01:35:05,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:35:05,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:35:05,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:35:05,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:35:05,870 INFO L87 Difference]: Start difference. First operand 304 states and 388 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 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 01:35:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:06,696 INFO L93 Difference]: Finished difference Result 1180 states and 1510 transitions. [2021-11-07 01:35:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 01:35:06,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 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) Word has length 108 [2021-11-07 01:35:06,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:06,706 INFO L225 Difference]: With dead ends: 1180 [2021-11-07 01:35:06,706 INFO L226 Difference]: Without dead ends: 883 [2021-11-07 01:35:06,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:35:06,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2021-11-07 01:35:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 528. [2021-11-07 01:35:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2941176470588236) internal successors, (682), 527 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 682 transitions. [2021-11-07 01:35:06,841 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 682 transitions. Word has length 108 [2021-11-07 01:35:06,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:06,842 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 682 transitions. [2021-11-07 01:35:06,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 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 01:35:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 682 transitions. [2021-11-07 01:35:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 01:35:06,849 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:06,849 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:06,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:07,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:07,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:07,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:07,467 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:07,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:07,468 INFO L85 PathProgramCache]: Analyzing trace with hash 840796889, now seen corresponding path program 1 times [2021-11-07 01:35:07,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:35:07,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295886278] [2021-11-07 01:35:07,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:07,469 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:35:07,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:35:07,469 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:35:07,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 01:35:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:08,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:35:08,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-07 01:35:08,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-07 01:35:08,984 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:35:08,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295886278] [2021-11-07 01:35:08,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295886278] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:35:08,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:35:08,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:35:08,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913818308] [2021-11-07 01:35:08,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:35:08,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:35:08,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:35:08,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:35:08,987 INFO L87 Difference]: Start difference. First operand 528 states and 682 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:12,747 INFO L93 Difference]: Finished difference Result 1153 states and 1479 transitions. [2021-11-07 01:35:12,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:35:12,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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 110 [2021-11-07 01:35:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:12,753 INFO L225 Difference]: With dead ends: 1153 [2021-11-07 01:35:12,754 INFO L226 Difference]: Without dead ends: 632 [2021-11-07 01:35:12,755 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:35:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-11-07 01:35:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 528. [2021-11-07 01:35:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2770398481973435) internal successors, (673), 527 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 673 transitions. [2021-11-07 01:35:12,845 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 673 transitions. Word has length 110 [2021-11-07 01:35:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:12,845 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 673 transitions. [2021-11-07 01:35:12,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 673 transitions. [2021-11-07 01:35:12,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 01:35:12,849 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:12,850 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:12,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:13,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:35:13,068 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:13,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:13,069 INFO L85 PathProgramCache]: Analyzing trace with hash -433119222, now seen corresponding path program 1 times [2021-11-07 01:35:13,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:35:13,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986071932] [2021-11-07 01:35:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:13,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:35:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:35:13,070 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:35:13,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 01:35:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:13,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:35:13,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 01:35:14,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-07 01:35:14,551 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:35:14,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986071932] [2021-11-07 01:35:14,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986071932] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:14,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1382540972] [2021-11-07 01:35:14,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:14,552 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:14,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:35:14,554 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:35:14,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-07 01:35:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:15,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:35:15,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 01:35:15,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 01:35:16,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1382540972] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:16,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021389012] [2021-11-07 01:35:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:16,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:16,192 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:16,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 01:35:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:16,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:35:16,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 01:35:17,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 01:35:17,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021389012] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:17,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:35:17,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7, 7, 7, 7] total 18 [2021-11-07 01:35:17,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821538714] [2021-11-07 01:35:17,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 01:35:17,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:35:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 01:35:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:35:17,574 INFO L87 Difference]: Start difference. First operand 528 states and 673 transitions. Second operand has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:24,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:24,579 INFO L93 Difference]: Finished difference Result 1096 states and 1398 transitions. [2021-11-07 01:35:24,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:35:24,580 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 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 111 [2021-11-07 01:35:24,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:24,581 INFO L225 Difference]: With dead ends: 1096 [2021-11-07 01:35:24,581 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:35:24,583 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2021-11-07 01:35:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:35:24,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:35:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:24,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:35:24,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2021-11-07 01:35:24,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:24,584 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:35:24,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:35:24,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:35:24,588 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:35:24,589 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:35:24,589 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:35:24,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:24,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:25,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:25,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:35:25,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:35:25,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:25,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:25,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:25,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:26,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:26,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:26,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:26,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:26,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:26,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:27,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:28,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:46,630 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-07 01:35:46,630 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:35:46,630 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 712) no Hoare annotation was computed. [2021-11-07 01:35:46,630 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 169) no Hoare annotation was computed. [2021-11-07 01:35:46,630 INFO L857 garLoopResultBuilder]: For program point L152-1(lines 152 169) no Hoare annotation was computed. [2021-11-07 01:35:46,631 INFO L857 garLoopResultBuilder]: For program point L152-2(lines 152 169) no Hoare annotation was computed. [2021-11-07 01:35:46,631 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2021-11-07 01:35:46,631 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 268 274) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)))) [2021-11-07 01:35:46,631 INFO L853 garLoopResultBuilder]: At program point L962(lines 953 966) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4 .cse5))) [2021-11-07 01:35:46,632 INFO L853 garLoopResultBuilder]: At program point L962-1(lines 953 966) the Hoare annotation is: false [2021-11-07 01:35:46,632 INFO L853 garLoopResultBuilder]: At program point L962-2(lines 953 966) the Hoare annotation is: false [2021-11-07 01:35:46,632 INFO L853 garLoopResultBuilder]: At program point L120(lines 116 138) the Hoare annotation is: (let ((.cse16 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse14 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not .cse17)) (.cse13 (not .cse14)) (.cse7 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse10 (not .cse16)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse15 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse3 .cse9 .cse10) (and .cse0 .cse1 .cse8 .cse11 .cse3 .cse4 .cse12) (and .cse0 .cse5 .cse13 .cse1 .cse7 .cse8 .cse11 .cse3 .cse9 .cse12) (and .cse0 .cse14 .cse15 .cse1 .cse4) (and .cse0 .cse15 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse16 .cse13 .cse1 .cse7 .cse2 .cse3 .cse17 .cse9) (and .cse0 .cse14 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse13 .cse1 .cse7 .cse2 .cse3 .cse9 .cse10) (and .cse0 .cse15 .cse1 .cse8 .cse11 .cse4 .cse12)))) [2021-11-07 01:35:46,632 INFO L853 garLoopResultBuilder]: At program point L120-1(lines 116 138) the Hoare annotation is: false [2021-11-07 01:35:46,633 INFO L853 garLoopResultBuilder]: At program point L120-2(lines 116 138) the Hoare annotation is: false [2021-11-07 01:35:46,633 INFO L857 garLoopResultBuilder]: For program point L880(lines 880 884) no Hoare annotation was computed. [2021-11-07 01:35:46,633 INFO L857 garLoopResultBuilder]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2021-11-07 01:35:46,633 INFO L857 garLoopResultBuilder]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2021-11-07 01:35:46,633 INFO L853 garLoopResultBuilder]: At program point L831(lines 826 833) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:35:46,633 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2021-11-07 01:35:46,633 INFO L857 garLoopResultBuilder]: For program point L254-2(lines 254 258) no Hoare annotation was computed. [2021-11-07 01:35:46,633 INFO L857 garLoopResultBuilder]: For program point L254-3(lines 254 258) no Hoare annotation was computed. [2021-11-07 01:35:46,634 INFO L857 garLoopResultBuilder]: For program point L254-5(lines 254 258) no Hoare annotation was computed. [2021-11-07 01:35:46,634 INFO L857 garLoopResultBuilder]: For program point L254-6(lines 254 258) no Hoare annotation was computed. [2021-11-07 01:35:46,634 INFO L857 garLoopResultBuilder]: For program point L254-8(lines 254 258) no Hoare annotation was computed. [2021-11-07 01:35:46,634 INFO L853 garLoopResultBuilder]: At program point L205(lines 200 208) the Hoare annotation is: (let ((.cse17 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse18 (not .cse17)) (.cse16 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse9 (or .cse18 .cse16)) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse8 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse2 .cse10 .cse11 .cse5 .cse6 .cse12 .cse7) (and .cse0 .cse13 .cse14 .cse2 .cse15) (and .cse0 .cse14 .cse2 .cse10 .cse15) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse16 .cse5 .cse17 .cse6 .cse7) (and .cse0 .cse1 .cse13 .cse18 .cse2 .cse16 .cse5 .cse6 .cse12) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse15 .cse7) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse4 .cse10 .cse16 .cse5 .cse6))))) [2021-11-07 01:35:46,634 INFO L853 garLoopResultBuilder]: At program point L717(lines 666 718) the Hoare annotation is: false [2021-11-07 01:35:46,635 INFO L853 garLoopResultBuilder]: At program point L205-1(lines 200 208) the Hoare annotation is: (let ((.cse15 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse12 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse14 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not .cse15)) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse12 .cse13 .cse6 .cse14 .cse8) (and .cse0 .cse9 .cse15 .cse10 .cse2 .cse11 .cse14 .cse8) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse12 .cse13 .cse6 .cse14 .cse8) (and .cse0 .cse9 .cse15 .cse2 .cse4 .cse5 .cse14 .cse8) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse11 .cse6 .cse7 .cse8)))) [2021-11-07 01:35:46,635 INFO L853 garLoopResultBuilder]: At program point L205-2(lines 200 208) the Hoare annotation is: false [2021-11-07 01:35:46,635 INFO L853 garLoopResultBuilder]: At program point L205-3(lines 200 208) the Hoare annotation is: false [2021-11-07 01:35:46,635 INFO L853 garLoopResultBuilder]: At program point L205-4(lines 200 208) the Hoare annotation is: false [2021-11-07 01:35:46,635 INFO L853 garLoopResultBuilder]: At program point L205-5(lines 200 208) the Hoare annotation is: false [2021-11-07 01:35:46,635 INFO L857 garLoopResultBuilder]: For program point L668(lines 667 716) no Hoare annotation was computed. [2021-11-07 01:35:46,635 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 164) no Hoare annotation was computed. [2021-11-07 01:35:46,635 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 156 164) no Hoare annotation was computed. [2021-11-07 01:35:46,635 INFO L857 garLoopResultBuilder]: For program point L156-2(lines 156 164) no Hoare annotation was computed. [2021-11-07 01:35:46,636 INFO L853 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not .cse11)) (.cse15 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse7 .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse12 .cse6) (and .cse0 .cse13 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse10 .cse11 .cse2 .cse7 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse12 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse13 .cse2 .cse14 .cse7 .cse8 .cse4 .cse15) (and .cse0 .cse13 .cse1 .cse2 .cse14 .cse12 .cse4 .cse15) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse5 .cse6)))) [2021-11-07 01:35:46,636 INFO L853 garLoopResultBuilder]: At program point L949-1(lines 944 952) the Hoare annotation is: false [2021-11-07 01:35:46,636 INFO L853 garLoopResultBuilder]: At program point L949-2(lines 944 952) the Hoare annotation is: false [2021-11-07 01:35:46,636 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:35:46,636 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2021-11-07 01:35:46,637 INFO L853 garLoopResultBuilder]: At program point L785(lines 781 787) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:35:46,637 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 966) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:35:46,637 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-07 01:35:46,637 INFO L857 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2021-11-07 01:35:46,637 INFO L857 garLoopResultBuilder]: For program point L92-2(line 92) no Hoare annotation was computed. [2021-11-07 01:35:46,637 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-07 01:35:46,637 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 869) no Hoare annotation was computed. [2021-11-07 01:35:46,637 INFO L853 garLoopResultBuilder]: At program point L852-1(lines 1 966) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse12 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse8 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse0 .cse2 .cse3 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse10 .cse2 .cse3 .cse4 .cse11 .cse8 .cse12 .cse6) (and .cse0 .cse10 .cse3 .cse13 .cse14 .cse11 .cse8 .cse12 .cse6) (and .cse0 .cse10 .cse2 .cse3 .cse8 .cse9 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5 .cse6) (and .cse0 .cse3 .cse13 .cse14 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse13 .cse14 .cse5 .cse6))) [2021-11-07 01:35:46,637 INFO L860 garLoopResultBuilder]: At program point L819(lines 800 822) the Hoare annotation is: true [2021-11-07 01:35:46,638 INFO L857 garLoopResultBuilder]: For program point L852-2(lines 852 869) no Hoare annotation was computed. [2021-11-07 01:35:46,638 INFO L853 garLoopResultBuilder]: At program point L852-3(lines 1 966) the Hoare annotation is: false [2021-11-07 01:35:46,638 INFO L857 garLoopResultBuilder]: For program point L852-4(lines 852 869) no Hoare annotation was computed. [2021-11-07 01:35:46,638 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2021-11-07 01:35:46,638 INFO L853 garLoopResultBuilder]: At program point L852-5(lines 1 966) the Hoare annotation is: false [2021-11-07 01:35:46,638 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 687 693) the Hoare annotation is: (let ((.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse20 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse11 (not .cse17)) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (not .cse13)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse8 .cse3 .cse11 .cse13 .cse6) (and .cse0 .cse3 .cse4 .cse14 .cse11 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse3 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse11 .cse5) (and .cse0 .cse7 .cse3 .cse18 .cse19 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse7 .cse20 .cse3 .cse19 .cse4 .cse10 .cse11) (and .cse0 .cse1 .cse20 .cse3 .cse19 .cse4 .cse5) (and .cse0 .cse3 .cse18 .cse19 .cse14 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse18 .cse19 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse9 .cse3 .cse12 .cse5)))) [2021-11-07 01:35:46,639 INFO L853 garLoopResultBuilder]: At program point L737-2(lines 737 751) the Hoare annotation is: false [2021-11-07 01:35:46,639 INFO L857 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2021-11-07 01:35:46,639 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2021-11-07 01:35:46,639 INFO L853 garLoopResultBuilder]: At program point L705-1(lines 1 966) the Hoare annotation is: (let ((.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse13 (not .cse15)) (.cse14 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse8 (or .cse13 .cse14)) (.cse10 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse11 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse12 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse8 .cse2 .cse9 .cse10 .cse5 .cse6 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse2 .cse14 .cse5 .cse11) (and .cse0 .cse1 .cse12 .cse2 .cse5 .cse15 .cse7) (and .cse0 .cse2 .cse9 .cse16) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse10 .cse5 .cse6 .cse11 .cse7) (and .cse0 .cse12 .cse2 .cse16) (and .cse0 .cse2 .cse3 .cse4 .cse16 .cse7) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse4 .cse9 .cse14 .cse5))))) [2021-11-07 01:35:46,640 INFO L853 garLoopResultBuilder]: At program point L127(lines 127 133) the Hoare annotation is: (let ((.cse19 (= ~systemActive~0 (_ bv0 32))) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse9 (not .cse13)) (.cse10 (not .cse12)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse18 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse16 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse17 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not .cse19))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse11 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse12 .cse2 .cse3 .cse11 .cse6 .cse13 .cse7) (and .cse0 .cse2 .cse11 .cse14 .cse15 .cse6 .cse16) (and .cse0 .cse2 .cse4 .cse5 .cse14 .cse15 .cse6 .cse16 .cse8) (and .cse0 .cse17 .cse2 .cse15 .cse6 .cse16) (and .cse0 .cse17 .cse18 .cse19 .cse2 .cse16) (and .cse0 .cse18 .cse19 .cse2 .cse11 .cse16) (and .cse0 .cse18 .cse19 .cse2 .cse4 .cse5 .cse16 .cse8) (and .cse0 .cse1 .cse17 .cse2 .cse6)))) [2021-11-07 01:35:46,640 INFO L853 garLoopResultBuilder]: At program point L127-1(lines 127 133) the Hoare annotation is: false [2021-11-07 01:35:46,640 INFO L853 garLoopResultBuilder]: At program point L127-2(lines 127 133) the Hoare annotation is: false [2021-11-07 01:35:46,640 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:35:46,640 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 908) no Hoare annotation was computed. [2021-11-07 01:35:46,641 INFO L853 garLoopResultBuilder]: At program point L260(lines 245 263) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse6 .cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse5 .cse6 .cse7) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse6 .cse7))) [2021-11-07 01:35:46,641 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 245 263) the Hoare annotation is: false [2021-11-07 01:35:46,641 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 245 263) the Hoare annotation is: false [2021-11-07 01:35:46,641 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 866) no Hoare annotation was computed. [2021-11-07 01:35:46,641 INFO L857 garLoopResultBuilder]: For program point L856-2(lines 856 866) no Hoare annotation was computed. [2021-11-07 01:35:46,641 INFO L857 garLoopResultBuilder]: For program point L856-4(lines 856 866) no Hoare annotation was computed. [2021-11-07 01:35:46,642 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-11-07 01:35:46,642 INFO L857 garLoopResultBuilder]: For program point L741-1(lines 741 745) no Hoare annotation was computed. [2021-11-07 01:35:46,642 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-11-07 01:35:46,642 INFO L857 garLoopResultBuilder]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2021-11-07 01:35:46,642 INFO L857 garLoopResultBuilder]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2021-11-07 01:35:46,642 INFO L853 garLoopResultBuilder]: At program point L841(lines 120 126) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse15 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 (not .cse10) .cse2 .cse3 .cse6 .cse7 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (and .cse0 .cse9 .cse11 .cse2 .cse12) (and .cse0 .cse11 .cse2 .cse13 .cse12) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse13 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse15 .cse6 .cse10 .cse7 .cse8) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse3 .cse5 .cse13 .cse15 .cse6 .cse7) (and .cse0 .cse11 .cse2 .cse4 .cse5 .cse12 .cse8))) [2021-11-07 01:35:46,643 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 120 126) the Hoare annotation is: false [2021-11-07 01:35:46,643 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 120 126) the Hoare annotation is: false [2021-11-07 01:35:46,643 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:35:46,643 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-11-07 01:35:46,643 INFO L857 garLoopResultBuilder]: For program point L957-1(lines 957 963) no Hoare annotation was computed. [2021-11-07 01:35:46,643 INFO L857 garLoopResultBuilder]: For program point L957-2(lines 957 963) no Hoare annotation was computed. [2021-11-07 01:35:46,644 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-07 01:35:46,644 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 683) no Hoare annotation was computed. [2021-11-07 01:35:46,644 INFO L853 garLoopResultBuilder]: At program point L677-1(lines 677 683) the Hoare annotation is: (let ((.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse20 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse11 (not .cse17)) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (not .cse13)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse8 .cse3 .cse11 .cse13 .cse6) (and .cse0 .cse3 .cse4 .cse14 .cse11 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse3 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse11 .cse5) (and .cse0 .cse7 .cse3 .cse18 .cse19 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse7 .cse20 .cse3 .cse19 .cse4 .cse10 .cse11) (and .cse0 .cse1 .cse20 .cse3 .cse19 .cse4 .cse5) (and .cse0 .cse3 .cse18 .cse19 .cse14 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse18 .cse19 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse9 .cse3 .cse12 .cse5)))) [2021-11-07 01:35:46,644 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 896) no Hoare annotation was computed. [2021-11-07 01:35:46,644 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:35:46,644 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 817) no Hoare annotation was computed. [2021-11-07 01:35:46,644 INFO L860 garLoopResultBuilder]: At program point L810-1(lines 810 817) the Hoare annotation is: true [2021-11-07 01:35:46,648 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:46,650 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:35:46,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:35:46 BoogieIcfgContainer [2021-11-07 01:35:46,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:35:46,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:35:46,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:35:46,733 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:35:46,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:40" (3/4) ... [2021-11-07 01:35:46,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:35:46,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:35:46,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:35:46,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:35:46,769 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:35:46,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:35:46,771 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:35:46,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:35:46,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:35:46,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:35:46,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:35:46,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-11-07 01:35:46,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) [2021-11-07 01:35:46,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) [2021-11-07 01:35:46,813 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) [2021-11-07 01:35:46,814 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-11-07 01:35:46,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) [2021-11-07 01:35:46,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-11-07 01:35:46,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-11-07 01:35:46,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-11-07 01:35:46,818 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:35:46,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:35:46,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) [2021-11-07 01:35:46,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:35:46,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:35:46,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:35:46,879 INFO L168 Benchmark]: Toolchain (without parser) took 70484.36 ms. Allocated memory was 58.7 MB in the beginning and 180.4 MB in the end (delta: 121.6 MB). Free memory was 41.2 MB in the beginning and 90.4 MB in the end (delta: -49.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:46,880 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 28.2 MB in the beginning and 28.2 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:35:46,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.20 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 27.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:46,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 58.7 MB. Free memory was 27.4 MB in the beginning and 38.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:46,882 INFO L168 Benchmark]: Boogie Preprocessor took 45.21 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 36.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:46,882 INFO L168 Benchmark]: RCFGBuilder took 2717.50 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.1 MB in the beginning and 47.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:46,882 INFO L168 Benchmark]: TraceAbstraction took 66722.41 ms. Allocated memory was 75.5 MB in the beginning and 180.4 MB in the end (delta: 104.9 MB). Free memory was 47.0 MB in the beginning and 97.8 MB in the end (delta: -50.7 MB). Peak memory consumption was 126.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:46,883 INFO L168 Benchmark]: Witness Printer took 145.00 ms. Allocated memory is still 180.4 MB. Free memory was 97.8 MB in the beginning and 90.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:46,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 28.2 MB in the beginning and 28.2 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 767.20 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 27.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 58.7 MB. Free memory was 27.4 MB in the beginning and 38.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.21 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 36.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2717.50 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.1 MB in the beginning and 47.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 66722.41 ms. Allocated memory was 75.5 MB in the beginning and 180.4 MB in the end (delta: 104.9 MB). Free memory was 47.0 MB in the beginning and 97.8 MB in the end (delta: -50.7 MB). Peak memory consumption was 126.4 MB. Max. memory is 16.1 GB. * Witness Printer took 145.00 ms. Allocated memory is still 180.4 MB. Free memory was 97.8 MB in the beginning and 90.4 MB in the end (delta: 7.3 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: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: 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, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 66.5s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1337 SDtfs, 3004 SDslu, 3639 SDs, 0 SdLazy, 611 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2751 GetRequests, 2629 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=12, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1246 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 380 NumberOfFragments, 2747 HoareAnnotationTreeSize, 39 FomulaSimplifications, 1755553 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 39 FomulaSimplificationsInter, 717443 FormulaSimplificationTreeSizeReductionInter, 17.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 1360 NumberOfCodeBlocks, 1360 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2678 ConstructedInterpolants, 0 QuantifiedInterpolants, 4858 SizeOfPredicates, 61 NumberOfNonLiveVariables, 5362 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 42 InterpolantComputations, 23 PerfectInterpolantSequences, 2650/2812 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: 268]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-11-07 01:35:46,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbf630f-af42-45e9-bb0f-19dc316eccef/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