./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG --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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG --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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:59:51,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:59:51,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:59:51,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:59:51,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:59:51,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:59:51,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:59:51,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:59:51,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:59:51,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:59:51,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:59:51,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:59:51,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:59:51,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:59:51,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:59:51,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:59:51,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:59:51,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:59:51,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:59:51,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:59:51,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:59:51,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:59:51,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:59:51,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:59:51,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:59:51,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:59:51,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:59:51,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:59:51,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:59:51,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:59:51,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:59:51,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:59:51,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:59:51,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:59:51,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:59:51,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:59:51,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:59:51,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:59:51,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:59:51,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:59:51,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:59:51,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:59:51,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:59:51,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:59:51,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:59:51,762 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:59:51,763 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:59:51,763 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:59:51,763 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:59:51,763 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:59:51,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:59:51,770 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:59:51,771 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:59:51,772 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:59:51,772 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:59:51,772 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:59:51,772 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:59:51,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:59:51,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:59:51,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:59:51,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:59:51,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:59:51,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:59:51,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:59:51,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:59:51,775 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:59:51,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:59:51,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:59:51,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:59:51,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:59:51,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:59:51,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:59:51,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:59:51,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:59:51,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:59:51,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:59:51,779 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:59:51,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:59:51,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:59:51,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:59:51,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:59:51,781 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_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2021-10-29 05:59:52,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:59:52,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:59:52,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:59:52,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:59:52,090 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:59:52,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-29 05:59:52,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/6c74823cc/182325b0f5844605aae4f1065e346c0c/FLAG9ddb7fb31 [2021-10-29 05:59:52,723 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:59:52,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-29 05:59:52,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/6c74823cc/182325b0f5844605aae4f1065e346c0c/FLAG9ddb7fb31 [2021-10-29 05:59:53,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/6c74823cc/182325b0f5844605aae4f1065e346c0c [2021-10-29 05:59:53,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:59:53,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:59:53,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:53,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:59:53,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:59:53,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:53" (1/1) ... [2021-10-29 05:59:53,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d8b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:53, skipping insertion in model container [2021-10-29 05:59:53,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:53" (1/1) ... [2021-10-29 05:59:53,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:59:53,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:59:53,370 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_cd5f921b-5cd1-4dae-96d6-a660445d8a26/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-10-29 05:59:53,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:53,501 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) [2021-10-29 05:59:53,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@498c30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:53, skipping insertion in model container [2021-10-29 05:59:53,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:53,503 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:59:53,506 INFO L168 Benchmark]: Toolchain (without parser) took 482.64 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 71.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:59:53,507 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:59:53,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.09 ms. Allocated memory is still 100.7 MB. Free memory was 57.7 MB in the beginning and 71.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:59:53,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.09 ms. Allocated memory is still 100.7 MB. Free memory was 57.7 MB in the beginning and 71.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 548]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:59:55,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:59:55,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:59:56,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:59:56,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:59:56,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:59:56,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:59:56,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:59:56,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:59:56,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:59:56,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:59:56,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:59:56,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:59:56,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:59:56,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:59:56,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:59:56,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:59:56,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:59:56,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:59:56,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:59:56,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:59:56,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:59:56,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:59:56,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:59:56,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:59:56,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:59:56,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:59:56,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:59:56,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:59:56,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:59:56,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:59:56,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:59:56,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:59:56,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:59:56,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:59:56,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:59:56,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:59:56,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:59:56,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:59:56,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:59:56,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:59:56,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:59:56,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:59:56,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:59:56,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:59:56,203 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:59:56,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:59:56,203 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:59:56,203 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:59:56,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:59:56,204 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:59:56,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:59:56,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:59:56,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:59:56,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:59:56,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:59:56,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:59:56,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:59:56,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:59:56,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:59:56,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:59:56,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:59:56,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:59:56,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:59:56,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:59:56,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:59:56,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:59:56,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:59:56,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:59:56,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:59:56,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:59:56,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:59:56,211 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:59:56,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:59:56,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:59:56,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:59:56,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:59:56,212 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_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2021-10-29 05:59:56,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:59:56,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:59:56,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:59:56,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:59:56,669 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:59:56,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-29 05:59:56,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/3a0be7e7b/68ee1bc187604ab68ae5dd95ddda1307/FLAG00cac378e [2021-10-29 05:59:57,511 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:59:57,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-29 05:59:57,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/3a0be7e7b/68ee1bc187604ab68ae5dd95ddda1307/FLAG00cac378e [2021-10-29 05:59:57,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/data/3a0be7e7b/68ee1bc187604ab68ae5dd95ddda1307 [2021-10-29 05:59:57,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:59:57,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:59:57,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:57,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:59:57,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:59:57,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:57" (1/1) ... [2021-10-29 05:59:57,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c33a3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:57, skipping insertion in model container [2021-10-29 05:59:57,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:57" (1/1) ... [2021-10-29 05:59:57,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:59:57,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:59:58,145 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_cd5f921b-5cd1-4dae-96d6-a660445d8a26/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-10-29 05:59:58,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:58,285 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:59:58,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:59:58,318 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_cd5f921b-5cd1-4dae-96d6-a660445d8a26/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-10-29 05:59:58,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:58,366 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:59:58,399 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_cd5f921b-5cd1-4dae-96d6-a660445d8a26/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-10-29 05:59:58,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:58,472 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:59:58,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58 WrapperNode [2021-10-29 05:59:58,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:58,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:59:58,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:59:58,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:59:58,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:59:58,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:59:58,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:59:58,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:59:58,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:59:58,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:59:58,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:59:58,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:59:58,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (1/1) ... [2021-10-29 05:59:58,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:59:58,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:59:58,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:59:58,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:59:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:59:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:59:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:59:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 06:00:01,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 06:00:01,133 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-29 06:00:01,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:01 BoogieIcfgContainer [2021-10-29 06:00:01,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 06:00:01,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 06:00:01,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 06:00:01,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 06:00:01,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:59:57" (1/3) ... [2021-10-29 06:00:01,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd4dd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:01, skipping insertion in model container [2021-10-29 06:00:01,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:58" (2/3) ... [2021-10-29 06:00:01,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd4dd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:01, skipping insertion in model container [2021-10-29 06:00:01,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:01" (3/3) ... [2021-10-29 06:00:01,144 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-10-29 06:00:01,150 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 06:00:01,150 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 06:00:01,215 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 06:00:01,222 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 [2021-10-29 06:00:01,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 06:00:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-10-29 06:00:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 06:00:01,260 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:01,260 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:01,261 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:01,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-29 06:00:01,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:01,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522157629] [2021-10-29 06:00:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:01,292 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:01,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:01,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:01,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 06:00:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:01,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 06:00:01,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:01,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:01,680 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:01,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522157629] [2021-10-29 06:00:01,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522157629] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:01,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:01,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 06:00:01,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383820116] [2021-10-29 06:00:01,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 06:00:01,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:01,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 06:00:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:00:01,706 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:01,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:01,729 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-29 06:00:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 06:00:01,731 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 06:00:01,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:01,739 INFO L225 Difference]: With dead ends: 112 [2021-10-29 06:00:01,740 INFO L226 Difference]: Without dead ends: 55 [2021-10-29 06:00:01,742 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:00:01,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-29 06:00:01,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-29 06:00:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 states have internal predecessors, (75), 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) [2021-10-29 06:00:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-29 06:00:01,781 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-29 06:00:01,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:01,782 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-29 06:00:01,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-29 06:00:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 06:00:01,784 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:01,784 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:01,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:01,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:01,999 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:01,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:02,000 INFO L85 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-29 06:00:02,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:02,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410713341] [2021-10-29 06:00:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:02,001 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:02,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:02,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:02,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 06:00:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:02,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 06:00:02,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:02,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:02,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:02,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410713341] [2021-10-29 06:00:02,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410713341] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:02,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:02,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 06:00:02,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665897743] [2021-10-29 06:00:02,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 06:00:02,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:02,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 06:00:02,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:02,437 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:02,456 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-29 06:00:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 06:00:02,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 06:00:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:02,460 INFO L225 Difference]: With dead ends: 55 [2021-10-29 06:00:02,460 INFO L226 Difference]: Without dead ends: 29 [2021-10-29 06:00:02,462 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-29 06:00:02,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-29 06:00:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 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) [2021-10-29 06:00:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-29 06:00:02,476 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-29 06:00:02,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:02,476 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-29 06:00:02,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:02,477 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-29 06:00:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 06:00:02,478 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:02,484 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:02,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:02,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:02,698 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:02,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:02,699 INFO L85 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-29 06:00:02,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:02,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597577048] [2021-10-29 06:00:02,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:02,700 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:02,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:02,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:02,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 06:00:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:02,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 06:00:02,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:03,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:03,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:03,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597577048] [2021-10-29 06:00:03,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597577048] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:03,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:03,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 06:00:03,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408517646] [2021-10-29 06:00:03,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 06:00:03,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:03,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 06:00:03,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:03,101 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-29 06:00:03,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:03,121 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-10-29 06:00:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 06:00:03,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 06:00:03,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:03,125 INFO L225 Difference]: With dead ends: 98 [2021-10-29 06:00:03,125 INFO L226 Difference]: Without dead ends: 75 [2021-10-29 06:00:03,125 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:03,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-29 06:00:03,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2021-10-29 06:00:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 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) [2021-10-29 06:00:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-29 06:00:03,139 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-29 06:00:03,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:03,139 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-29 06:00:03,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-29 06:00:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-29 06:00:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 06:00:03,143 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:03,143 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:03,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:03,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:03,361 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:03,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-29 06:00:03,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:03,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966246254] [2021-10-29 06:00:03,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:03,363 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:03,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:03,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:03,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 06:00:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:03,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:00:03,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:03,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:03,786 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:03,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966246254] [2021-10-29 06:00:03,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [966246254] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:03,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:03,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 06:00:03,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004449758] [2021-10-29 06:00:03,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 06:00:03,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:03,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 06:00:03,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 06:00:03,790 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:03,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:03,883 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-29 06:00:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 06:00:03,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 06:00:03,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:03,886 INFO L225 Difference]: With dead ends: 214 [2021-10-29 06:00:03,886 INFO L226 Difference]: Without dead ends: 172 [2021-10-29 06:00:03,887 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 06:00:03,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-29 06:00:03,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-29 06:00:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 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) [2021-10-29 06:00:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-29 06:00:03,905 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-29 06:00:03,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:03,905 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-29 06:00:03,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-29 06:00:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 06:00:03,907 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:03,907 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:03,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:04,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:04,126 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:04,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2021-10-29 06:00:04,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:04,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731639958] [2021-10-29 06:00:04,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:04,128 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:04,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:04,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:04,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 06:00:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:04,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:00:04,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:04,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:04,523 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:04,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731639958] [2021-10-29 06:00:04,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731639958] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:04,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:04,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 06:00:04,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709856420] [2021-10-29 06:00:04,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 06:00:04,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:04,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 06:00:04,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 06:00:04,532 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 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) [2021-10-29 06:00:04,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:04,656 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-29 06:00:04,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 06:00:04,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 06:00:04,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:04,657 INFO L225 Difference]: With dead ends: 268 [2021-10-29 06:00:04,658 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 06:00:04,663 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 06:00:04,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 06:00:04,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 06:00:04,664 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) [2021-10-29 06:00:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 06:00:04,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-29 06:00:04,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:04,665 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 06:00:04,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 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) [2021-10-29 06:00:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 06:00:04,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 06:00:04,668 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:04,668 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:04,669 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:04,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:04,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:04,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 06:00:04,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:04,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:05,269 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-10-29 06:00:05,269 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2021-10-29 06:00:05,269 INFO L853 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,270 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-29 06:00:05,270 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 389) no Hoare annotation was computed. [2021-10-29 06:00:05,270 INFO L853 garLoopResultBuilder]: At program point L383-1(lines 204 210) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,270 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 06:00:05,270 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 373) no Hoare annotation was computed. [2021-10-29 06:00:05,270 INFO L853 garLoopResultBuilder]: At program point L367-1(lines 367 373) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,270 INFO L853 garLoopResultBuilder]: At program point L204(lines 203 222) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,270 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-10-29 06:00:05,271 INFO L853 garLoopResultBuilder]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-10-29 06:00:05,271 INFO L853 garLoopResultBuilder]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2021-10-29 06:00:05,271 INFO L857 garLoopResultBuilder]: For program point L502(lines 502 515) no Hoare annotation was computed. [2021-10-29 06:00:05,271 INFO L853 garLoopResultBuilder]: At program point L502-1(lines 1 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,271 INFO L857 garLoopResultBuilder]: For program point L502-2(lines 502 515) no Hoare annotation was computed. [2021-10-29 06:00:05,271 INFO L853 garLoopResultBuilder]: At program point L502-3(lines 1 884) the Hoare annotation is: false [2021-10-29 06:00:05,271 INFO L857 garLoopResultBuilder]: For program point L502-4(lines 502 515) no Hoare annotation was computed. [2021-10-29 06:00:05,272 INFO L853 garLoopResultBuilder]: At program point L502-5(lines 1 884) the Hoare annotation is: false [2021-10-29 06:00:05,272 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-10-29 06:00:05,272 INFO L857 garLoopResultBuilder]: For program point L420-3(lines 420 424) no Hoare annotation was computed. [2021-10-29 06:00:05,272 INFO L857 garLoopResultBuilder]: For program point L420-6(lines 420 424) no Hoare annotation was computed. [2021-10-29 06:00:05,272 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-29 06:00:05,272 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-29 06:00:05,272 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 06:00:05,273 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2021-10-29 06:00:05,273 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-10-29 06:00:05,273 INFO L853 garLoopResultBuilder]: At program point L357-1(lines 357 363) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,273 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-10-29 06:00:05,273 INFO L857 garLoopResultBuilder]: For program point L506-2(lines 506 512) no Hoare annotation was computed. [2021-10-29 06:00:05,273 INFO L857 garLoopResultBuilder]: For program point L506-4(lines 506 512) no Hoare annotation was computed. [2021-10-29 06:00:05,273 INFO L853 garLoopResultBuilder]: At program point L176(lines 1 884) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,274 INFO L853 garLoopResultBuilder]: At program point L457(lines 452 460) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,274 INFO L853 garLoopResultBuilder]: At program point L457-1(lines 452 460) the Hoare annotation is: false [2021-10-29 06:00:05,274 INFO L853 garLoopResultBuilder]: At program point L457-2(lines 452 460) the Hoare annotation is: false [2021-10-29 06:00:05,274 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 331) no Hoare annotation was computed. [2021-10-29 06:00:05,274 INFO L853 garLoopResultBuilder]: At program point L325-1(lines 325 331) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,274 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 06:00:05,274 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-29 06:00:05,274 INFO L857 garLoopResultBuilder]: For program point L408-1(line 408) no Hoare annotation was computed. [2021-10-29 06:00:05,275 INFO L857 garLoopResultBuilder]: For program point L408-2(line 408) no Hoare annotation was computed. [2021-10-29 06:00:05,275 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-29 06:00:05,275 INFO L853 garLoopResultBuilder]: At program point L211(lines 211 217) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,275 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-10-29 06:00:05,275 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2021-10-29 06:00:05,275 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-29 06:00:05,275 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 390) no Hoare annotation was computed. [2021-10-29 06:00:05,276 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,276 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 448) no Hoare annotation was computed. [2021-10-29 06:00:05,276 INFO L853 garLoopResultBuilder]: At program point L395(lines 346 396) the Hoare annotation is: false [2021-10-29 06:00:05,276 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 06:00:05,276 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2021-10-29 06:00:05,276 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-29 06:00:05,277 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 204 210) no Hoare annotation was computed. [2021-10-29 06:00:05,277 INFO L853 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:05,277 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 276 284) the Hoare annotation is: false [2021-10-29 06:00:05,277 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 276 284) the Hoare annotation is: false [2021-10-29 06:00:05,277 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-29 06:00:05,277 INFO L857 garLoopResultBuilder]: For program point L348(lines 347 394) no Hoare annotation was computed. [2021-10-29 06:00:05,280 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 06:00:05,281 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:00:05,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:00:05 BoogieIcfgContainer [2021-10-29 06:00:05,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:00:05,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:00:05,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:00:05,311 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:00:05,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:01" (3/4) ... [2021-10-29 06:00:05,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 06:00:05,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 06:00:05,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 06:00:05,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 06:00:05,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 06:00:05,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 06:00:05,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:00:05,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:00:05,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-29 06:00:05,392 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 06:00:05,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:00:05,394 INFO L168 Benchmark]: Toolchain (without parser) took 7598.74 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.6 MB in the beginning and 49.5 MB in the end (delta: -17.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:05,394 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:00:05,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.16 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.4 MB in the beginning and 36.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:05,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.95 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 34.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:05,396 INFO L168 Benchmark]: Boogie Preprocessor took 42.24 ms. Allocated memory is still 67.1 MB. Free memory was 34.0 MB in the beginning and 32.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:05,396 INFO L168 Benchmark]: RCFGBuilder took 2543.23 ms. Allocated memory is still 67.1 MB. Free memory was 32.1 MB in the beginning and 37.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:05,397 INFO L168 Benchmark]: TraceAbstraction took 4173.08 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 37.1 MB in the beginning and 54.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:05,397 INFO L168 Benchmark]: Witness Printer took 81.86 ms. Allocated memory is still 83.9 MB. Free memory was 54.3 MB in the beginning and 49.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:05,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.16 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.4 MB in the beginning and 36.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.95 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 34.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.24 ms. Allocated memory is still 67.1 MB. Free memory was 34.0 MB in the beginning and 32.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2543.23 ms. Allocated memory is still 67.1 MB. Free memory was 32.1 MB in the beginning and 37.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4173.08 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 37.1 MB in the beginning and 54.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * Witness Printer took 81.86 ms. Allocated memory is still 83.9 MB. Free memory was 54.3 MB in the beginning and 49.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 408]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 408]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 408]: 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, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 325 SDslu, 307 SDs, 0 SdLazy, 43 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 369 SizeOfPredicates, 7 NumberOfNonLiveVariables, 971 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-29 06:00:05,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5f921b-5cd1-4dae-96d6-a660445d8a26/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...