./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8 --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 115416f6b9263aced1374dbb9cce15bd25dca014 ............................................................................................................................................ 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_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8 --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 115416f6b9263aced1374dbb9cce15bd25dca014 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:47:34,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:47:34,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:47:34,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:47:34,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:47:34,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:47:34,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:47:34,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:47:34,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:47:34,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:47:34,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:47:34,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:47:34,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:47:34,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:47:34,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:47:34,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:47:34,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:47:34,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:47:34,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:47:34,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:47:34,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:47:34,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:47:34,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:47:34,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:47:34,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:47:34,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:47:34,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:47:34,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:47:34,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:47:34,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:47:34,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:47:34,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:47:34,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:47:34,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:47:34,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:47:34,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:47:34,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:47:34,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:47:34,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:47:34,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:47:34,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:47:34,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:47:34,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:47:34,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:47:34,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:47:34,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:47:34,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:47:34,723 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:47:34,723 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:47:34,723 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:47:34,724 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:47:34,724 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:47:34,731 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:47:34,731 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:47:34,732 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:47:34,732 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:47:34,732 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:47:34,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:47:34,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:47:34,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:47:34,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:47:34,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:47:34,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:47:34,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:47:34,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:47:34,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:47:34,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:47:34,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:47:34,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:47:34,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:47:34,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:47:34,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:47:34,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:47:34,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:47:34,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:47:34,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:47:34,738 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:47:34,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:47:34,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:47:34,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:47:34,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:47:34,739 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_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115416f6b9263aced1374dbb9cce15bd25dca014 [2021-10-13 07:47:35,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:47:35,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:47:35,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:47:35,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:47:35,082 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:47:35,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-13 07:47:35,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/357b8b1a6/1db5530d7c5d43e895ed1fcfad610161/FLAG904a8f2d4 [2021-10-13 07:47:35,756 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:47:35,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-13 07:47:35,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/357b8b1a6/1db5530d7c5d43e895ed1fcfad610161/FLAG904a8f2d4 [2021-10-13 07:47:36,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/357b8b1a6/1db5530d7c5d43e895ed1fcfad610161 [2021-10-13 07:47:36,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:47:36,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:47:36,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:47:36,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:47:36,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:47:36,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:47:36" (1/1) ... [2021-10-13 07:47:36,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f58510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:36, skipping insertion in model container [2021-10-13 07:47:36,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:47:36" (1/1) ... [2021-10-13 07:47:36,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:47:36,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:47:36,356 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_70d03c7c-84a1-4142-89fc-4b76397366b1/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8293,8306] [2021-10-13 07:47:36,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:47:36,479 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) [2021-10-13 07:47:36,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c696e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:36, skipping insertion in model container [2021-10-13 07:47:36,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:47:36,483 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:47:36,487 INFO L168 Benchmark]: Toolchain (without parser) took 476.28 ms. Allocated memory is still 104.9 MB. Free memory was 73.2 MB in the beginning and 76.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:47:36,488 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 104.9 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:47:36,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.44 ms. Allocated memory is still 104.9 MB. Free memory was 73.2 MB in the beginning and 76.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:47:36,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 104.9 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.44 ms. Allocated memory is still 104.9 MB. Free memory was 73.2 MB in the beginning and 76.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 615]: 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-4e77c04 [2021-10-13 07:47:38,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:47:38,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:47:38,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:47:38,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:47:38,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:47:38,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:47:38,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:47:38,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:47:38,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:47:38,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:47:38,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:47:38,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:47:39,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:47:39,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:47:39,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:47:39,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:47:39,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:47:39,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:47:39,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:47:39,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:47:39,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:47:39,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:47:39,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:47:39,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:47:39,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:47:39,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:47:39,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:47:39,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:47:39,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:47:39,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:47:39,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:47:39,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:47:39,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:47:39,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:47:39,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:47:39,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:47:39,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:47:39,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:47:39,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:47:39,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:47:39,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:47:39,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:47:39,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:47:39,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:47:39,118 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:47:39,118 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:47:39,118 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:47:39,118 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:47:39,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:47:39,119 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:47:39,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:47:39,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:47:39,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:47:39,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:47:39,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:47:39,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:47:39,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:47:39,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:47:39,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:47:39,123 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:47:39,124 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:47:39,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:47:39,124 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:47:39,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:47:39,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:47:39,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:47:39,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:47:39,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:47:39,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:47:39,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:47:39,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:47:39,126 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:47:39,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:47:39,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:47:39,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:47:39,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:47:39,128 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_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115416f6b9263aced1374dbb9cce15bd25dca014 [2021-10-13 07:47:39,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:47:39,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:47:39,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:47:39,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:47:39,588 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:47:39,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-13 07:47:39,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/2fa901698/2f386a54549e4a528707811db1b4cc00/FLAG5314f8106 [2021-10-13 07:47:40,431 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:47:40,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-13 07:47:40,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/2fa901698/2f386a54549e4a528707811db1b4cc00/FLAG5314f8106 [2021-10-13 07:47:40,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/data/2fa901698/2f386a54549e4a528707811db1b4cc00 [2021-10-13 07:47:40,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:47:40,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:47:40,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:47:40,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:47:40,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:47:40,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:47:40" (1/1) ... [2021-10-13 07:47:40,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333c51c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:40, skipping insertion in model container [2021-10-13 07:47:40,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:47:40" (1/1) ... [2021-10-13 07:47:40,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:47:40,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:47:41,090 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_70d03c7c-84a1-4142-89fc-4b76397366b1/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8293,8306] [2021-10-13 07:47:41,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:47:41,218 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:47:41,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:47:41,293 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_70d03c7c-84a1-4142-89fc-4b76397366b1/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8293,8306] [2021-10-13 07:47:41,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:47:41,366 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:47:41,435 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_70d03c7c-84a1-4142-89fc-4b76397366b1/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8293,8306] [2021-10-13 07:47:41,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:47:41,522 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:47:41,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41 WrapperNode [2021-10-13 07:47:41,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:47:41,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:47:41,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:47:41,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:47:41,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:47:41,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:47:41,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:47:41,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:47:41,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:47:41,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:47:41,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:47:41,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:47:41,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (1/1) ... [2021-10-13 07:47:41,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:47:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:47:41,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:47:41,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:47:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:47:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:47:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:47:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:47:44,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:47:44,689 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-13 07:47:44,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:47:44 BoogieIcfgContainer [2021-10-13 07:47:44,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:47:44,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:47:44,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:47:44,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:47:44,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:47:40" (1/3) ... [2021-10-13 07:47:44,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea552bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:47:44, skipping insertion in model container [2021-10-13 07:47:44,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:41" (2/3) ... [2021-10-13 07:47:44,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea552bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:47:44, skipping insertion in model container [2021-10-13 07:47:44,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:47:44" (3/3) ... [2021-10-13 07:47:44,701 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2021-10-13 07:47:44,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:47:44,708 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:47:44,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:47:44,772 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, mConcurrency=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 [2021-10-13 07:47:44,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:47:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-10-13 07:47:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 07:47:44,802 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:44,802 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:44,803 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:44,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:44,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1981233963, now seen corresponding path program 1 times [2021-10-13 07:47:44,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:44,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976490804] [2021-10-13 07:47:44,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:44,830 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:44,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:44,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:44,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:47:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:45,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:47:45,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:45,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:45,356 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:45,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976490804] [2021-10-13 07:47:45,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976490804] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:45,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:45,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:47:45,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034017706] [2021-10-13 07:47:45,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:47:45,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:45,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:47:45,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:47:45,384 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:45,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:45,458 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-13 07:47:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:47:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-13 07:47:45,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:45,486 INFO L225 Difference]: With dead ends: 264 [2021-10-13 07:47:45,492 INFO L226 Difference]: Without dead ends: 131 [2021-10-13 07:47:45,496 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:47:45,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-13 07:47:45,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-13 07:47:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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) [2021-10-13 07:47:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-13 07:47:45,606 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-10-13 07:47:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:45,607 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-13 07:47:45,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-13 07:47:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:47:45,617 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:45,618 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:45,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:45,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:45,833 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:45,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1070203210, now seen corresponding path program 1 times [2021-10-13 07:47:45,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:45,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096317851] [2021-10-13 07:47:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:45,837 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:45,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:45,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:45,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:47:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:46,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:47:46,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:46,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:46,337 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:46,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096317851] [2021-10-13 07:47:46,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096317851] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:46,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:46,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:47:46,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820658005] [2021-10-13 07:47:46,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:47:46,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:46,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:47:46,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:47:46,356 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:46,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:46,403 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-13 07:47:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:47:46,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:47:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:46,411 INFO L225 Difference]: With dead ends: 131 [2021-10-13 07:47:46,412 INFO L226 Difference]: Without dead ends: 53 [2021-10-13 07:47:46,414 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:47:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-13 07:47:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-13 07:47:46,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-10-13 07:47:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-13 07:47:46,424 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-10-13 07:47:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:46,425 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-13 07:47:46,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-13 07:47:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:47:46,426 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:46,427 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:46,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:46,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:46,641 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:46,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:46,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1049766460, now seen corresponding path program 1 times [2021-10-13 07:47:46,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:46,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439207039] [2021-10-13 07:47:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:46,643 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:46,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:46,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:46,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:47:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:46,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:47:46,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:46,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:47,099 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:47,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439207039] [2021-10-13 07:47:47,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439207039] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:47,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:47,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:47:47,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536638286] [2021-10-13 07:47:47,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:47:47,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:47,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:47:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:47:47,102 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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) [2021-10-13 07:47:47,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:47,113 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-13 07:47:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:47:47,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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) Word has length 24 [2021-10-13 07:47:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:47,115 INFO L225 Difference]: With dead ends: 100 [2021-10-13 07:47:47,115 INFO L226 Difference]: Without dead ends: 53 [2021-10-13 07:47:47,116 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:47:47,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-13 07:47:47,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-13 07:47:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 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) [2021-10-13 07:47:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-13 07:47:47,124 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-10-13 07:47:47,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:47,125 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-13 07:47:47,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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) [2021-10-13 07:47:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-13 07:47:47,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:47:47,126 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:47,126 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:47,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:47,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:47,339 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:47,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash -927374502, now seen corresponding path program 1 times [2021-10-13 07:47:47,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:47,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048219867] [2021-10-13 07:47:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:47,341 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:47,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:47,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:47:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:47,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:47:47,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:47,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:47,676 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:47,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048219867] [2021-10-13 07:47:47,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048219867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:47,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:47,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:47:47,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645349446] [2021-10-13 07:47:47,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:47:47,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:47,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:47:47,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:47:47,680 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:47,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:47,763 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-10-13 07:47:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:47:47,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:47:47,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:47,771 INFO L225 Difference]: With dead ends: 123 [2021-10-13 07:47:47,771 INFO L226 Difference]: Without dead ends: 76 [2021-10-13 07:47:47,772 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:47:47,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-10-13 07:47:47,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-10-13 07:47:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 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) [2021-10-13 07:47:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-10-13 07:47:47,795 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-10-13 07:47:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:47,795 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-10-13 07:47:47,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-10-13 07:47:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 07:47:47,797 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:47,797 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:47,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:47,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:47,998 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:47,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:47,998 INFO L82 PathProgramCache]: Analyzing trace with hash -44236562, now seen corresponding path program 1 times [2021-10-13 07:47:47,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:48,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587991512] [2021-10-13 07:47:48,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:48,000 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:48,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:48,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:48,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:47:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:48,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:47:48,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:48,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:48,554 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:48,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587991512] [2021-10-13 07:47:48,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587991512] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:48,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:48,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 07:47:48,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884248287] [2021-10-13 07:47:48,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:47:48,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:48,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:47:48,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:47:48,557 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-10-13 07:47:49,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:49,044 INFO L93 Difference]: Finished difference Result 815 states and 1186 transitions. [2021-10-13 07:47:49,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 07:47:49,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 32 [2021-10-13 07:47:49,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:49,051 INFO L225 Difference]: With dead ends: 815 [2021-10-13 07:47:49,051 INFO L226 Difference]: Without dead ends: 747 [2021-10-13 07:47:49,053 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 173.8ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-13 07:47:49,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-10-13 07:47:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 182. [2021-10-13 07:47:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 181 states have internal predecessors, (254), 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) [2021-10-13 07:47:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 254 transitions. [2021-10-13 07:47:49,142 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 254 transitions. Word has length 32 [2021-10-13 07:47:49,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:49,142 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 254 transitions. [2021-10-13 07:47:49,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-10-13 07:47:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 254 transitions. [2021-10-13 07:47:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:47:49,149 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:49,149 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:49,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:49,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:49,363 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:49,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:49,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2126400342, now seen corresponding path program 1 times [2021-10-13 07:47:49,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:49,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415810447] [2021-10-13 07:47:49,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:49,366 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:49,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:49,367 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:49,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:47:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:49,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:47:49,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:49,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:49,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:49,777 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:49,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415810447] [2021-10-13 07:47:49,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415810447] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:49,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:49,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:47:49,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926385884] [2021-10-13 07:47:49,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:47:49,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:49,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:47:49,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:47:49,779 INFO L87 Difference]: Start difference. First operand 182 states and 254 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:49,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:49,869 INFO L93 Difference]: Finished difference Result 569 states and 802 transitions. [2021-10-13 07:47:49,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:47:49,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 07:47:49,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:49,873 INFO L225 Difference]: With dead ends: 569 [2021-10-13 07:47:49,873 INFO L226 Difference]: Without dead ends: 440 [2021-10-13 07:47:49,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:47:49,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-10-13 07:47:49,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 186. [2021-10-13 07:47:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3837837837837839) internal successors, (256), 185 states have internal predecessors, (256), 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) [2021-10-13 07:47:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 256 transitions. [2021-10-13 07:47:49,910 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 256 transitions. Word has length 33 [2021-10-13 07:47:49,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:49,911 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 256 transitions. [2021-10-13 07:47:49,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 256 transitions. [2021-10-13 07:47:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:47:49,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:49,913 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:49,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:50,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:50,125 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:50,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:50,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1868234904, now seen corresponding path program 1 times [2021-10-13 07:47:50,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:50,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5228154] [2021-10-13 07:47:50,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:50,127 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:50,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:50,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:50,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:47:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:50,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:47:50,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:50,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:50,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:50,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5228154] [2021-10-13 07:47:50,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5228154] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:50,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:50,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:47:50,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401565946] [2021-10-13 07:47:50,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:47:50,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:50,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:47:50,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:47:50,587 INFO L87 Difference]: Start difference. First operand 186 states and 256 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:50,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:50,754 INFO L93 Difference]: Finished difference Result 700 states and 976 transitions. [2021-10-13 07:47:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:47:50,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 07:47:50,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:50,759 INFO L225 Difference]: With dead ends: 700 [2021-10-13 07:47:50,759 INFO L226 Difference]: Without dead ends: 520 [2021-10-13 07:47:50,760 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 58.6ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:47:50,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-13 07:47:50,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 195. [2021-10-13 07:47:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 1.3556701030927836) internal successors, (263), 194 states have internal predecessors, (263), 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) [2021-10-13 07:47:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 263 transitions. [2021-10-13 07:47:50,798 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 263 transitions. Word has length 33 [2021-10-13 07:47:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:50,799 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 263 transitions. [2021-10-13 07:47:50,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2021-10-13 07:47:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 07:47:50,800 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:50,801 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:50,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-13 07:47:51,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:51,014 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:51,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:51,015 INFO L82 PathProgramCache]: Analyzing trace with hash 941421312, now seen corresponding path program 1 times [2021-10-13 07:47:51,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:51,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937785953] [2021-10-13 07:47:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:51,016 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:51,017 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:51,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:47:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:51,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:47:51,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:51,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:51,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:51,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937785953] [2021-10-13 07:47:51,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937785953] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:51,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:51,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:47:51,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480632819] [2021-10-13 07:47:51,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:47:51,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:51,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:47:51,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:47:51,630 INFO L87 Difference]: Start difference. First operand 195 states and 263 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:52,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:52,064 INFO L93 Difference]: Finished difference Result 1232 states and 1633 transitions. [2021-10-13 07:47:52,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 07:47:52,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-13 07:47:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:52,072 INFO L225 Difference]: With dead ends: 1232 [2021-10-13 07:47:52,072 INFO L226 Difference]: Without dead ends: 1043 [2021-10-13 07:47:52,073 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 119.7ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-13 07:47:52,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-10-13 07:47:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 382. [2021-10-13 07:47:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.3333333333333333) internal successors, (508), 381 states have internal predecessors, (508), 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) [2021-10-13 07:47:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 508 transitions. [2021-10-13 07:47:52,139 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 508 transitions. Word has length 36 [2021-10-13 07:47:52,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:52,140 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 508 transitions. [2021-10-13 07:47:52,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2021-10-13 07:47:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 07:47:52,141 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:52,141 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:52,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:52,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:52,356 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:52,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:52,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1621479682, now seen corresponding path program 1 times [2021-10-13 07:47:52,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:52,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810818849] [2021-10-13 07:47:52,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:52,358 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:52,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:52,361 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:52,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:47:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:52,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:47:52,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:52,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:52,896 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:52,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810818849] [2021-10-13 07:47:52,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810818849] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:52,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:52,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:47:52,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384599752] [2021-10-13 07:47:52,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:47:52,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:52,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:47:52,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:47:52,898 INFO L87 Difference]: Start difference. First operand 382 states and 508 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2021-10-13 07:47:54,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:54,961 INFO L93 Difference]: Finished difference Result 1067 states and 1439 transitions. [2021-10-13 07:47:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:47:54,962 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 36 [2021-10-13 07:47:54,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:54,967 INFO L225 Difference]: With dead ends: 1067 [2021-10-13 07:47:54,967 INFO L226 Difference]: Without dead ends: 691 [2021-10-13 07:47:54,969 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 94.3ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:47:54,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-10-13 07:47:55,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 312. [2021-10-13 07:47:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.2893890675241158) internal successors, (401), 311 states have internal predecessors, (401), 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) [2021-10-13 07:47:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 401 transitions. [2021-10-13 07:47:55,033 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 401 transitions. Word has length 36 [2021-10-13 07:47:55,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:55,036 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 401 transitions. [2021-10-13 07:47:55,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2021-10-13 07:47:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 401 transitions. [2021-10-13 07:47:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:47:55,037 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:55,038 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:55,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:55,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:55,252 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:55,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:55,253 INFO L82 PathProgramCache]: Analyzing trace with hash 886341574, now seen corresponding path program 1 times [2021-10-13 07:47:55,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:55,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029395891] [2021-10-13 07:47:55,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:55,254 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:55,255 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:55,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:47:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:55,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:47:55,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:47:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:55,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:47:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:47:55,882 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:47:55,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029395891] [2021-10-13 07:47:55,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029395891] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:47:55,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:47:55,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:47:55,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452982203] [2021-10-13 07:47:55,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:47:55,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:47:55,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:47:55,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:47:55,885 INFO L87 Difference]: Start difference. First operand 312 states and 401 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:47:59,396 INFO L93 Difference]: Finished difference Result 983 states and 1253 transitions. [2021-10-13 07:47:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:47:59,397 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 07:47:59,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:47:59,401 INFO L225 Difference]: With dead ends: 983 [2021-10-13 07:47:59,401 INFO L226 Difference]: Without dead ends: 677 [2021-10-13 07:47:59,403 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 102.0ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:47:59,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-10-13 07:47:59,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 292. [2021-10-13 07:47:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.261168384879725) internal successors, (367), 291 states have internal predecessors, (367), 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) [2021-10-13 07:47:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 367 transitions. [2021-10-13 07:47:59,455 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 367 transitions. Word has length 37 [2021-10-13 07:47:59,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:47:59,455 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 367 transitions. [2021-10-13 07:47:59,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:47:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 367 transitions. [2021-10-13 07:47:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-13 07:47:59,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:47:59,457 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:47:59,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:47:59,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:47:59,669 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:47:59,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:47:59,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1892715278, now seen corresponding path program 1 times [2021-10-13 07:47:59,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:47:59,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087195528] [2021-10-13 07:47:59,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:47:59,671 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:47:59,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:47:59,672 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:47:59,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 07:47:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:47:59,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:47:59,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:48:00,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:48:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:48:00,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:48:00,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087195528] [2021-10-13 07:48:00,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087195528] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:48:00,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:48:00,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-13 07:48:00,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964155593] [2021-10-13 07:48:00,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:48:00,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:48:00,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:48:00,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:48:00,428 INFO L87 Difference]: Start difference. First operand 292 states and 367 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:48:04,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:48:04,107 INFO L93 Difference]: Finished difference Result 1010 states and 1302 transitions. [2021-10-13 07:48:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:48:04,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-13 07:48:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:48:04,114 INFO L225 Difference]: With dead ends: 1010 [2021-10-13 07:48:04,114 INFO L226 Difference]: Without dead ends: 820 [2021-10-13 07:48:04,115 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:48:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-10-13 07:48:04,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 679. [2021-10-13 07:48:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.2551622418879056) internal successors, (851), 678 states have internal predecessors, (851), 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) [2021-10-13 07:48:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 851 transitions. [2021-10-13 07:48:04,257 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 851 transitions. Word has length 54 [2021-10-13 07:48:04,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:48:04,257 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 851 transitions. [2021-10-13 07:48:04,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:48:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 851 transitions. [2021-10-13 07:48:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-13 07:48:04,259 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:48:04,260 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:48:04,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:48:04,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:48:04,479 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:48:04,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:48:04,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1485859958, now seen corresponding path program 1 times [2021-10-13 07:48:04,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:48:04,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673981358] [2021-10-13 07:48:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:48:04,480 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:48:04,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:48:04,481 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:48:04,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 07:48:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:48:04,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:48:04,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:48:05,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:48:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:48:05,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:48:05,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673981358] [2021-10-13 07:48:05,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673981358] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:48:05,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:48:05,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:48:05,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373489767] [2021-10-13 07:48:05,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:48:05,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:48:05,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:48:05,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:48:05,289 INFO L87 Difference]: Start difference. First operand 679 states and 851 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:48:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:48:05,628 INFO L93 Difference]: Finished difference Result 1735 states and 2168 transitions. [2021-10-13 07:48:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:48:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-13 07:48:05,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:48:05,636 INFO L225 Difference]: With dead ends: 1735 [2021-10-13 07:48:05,636 INFO L226 Difference]: Without dead ends: 1062 [2021-10-13 07:48:05,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 59.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:48:05,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-10-13 07:48:05,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 679. [2021-10-13 07:48:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.233038348082596) internal successors, (836), 678 states have internal predecessors, (836), 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) [2021-10-13 07:48:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 836 transitions. [2021-10-13 07:48:05,769 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 836 transitions. Word has length 54 [2021-10-13 07:48:05,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:48:05,771 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 836 transitions. [2021-10-13 07:48:05,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:48:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 836 transitions. [2021-10-13 07:48:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 07:48:05,774 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:48:05,774 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:48:05,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:48:05,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:48:05,987 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:48:05,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:48:05,987 INFO L82 PathProgramCache]: Analyzing trace with hash 675182755, now seen corresponding path program 1 times [2021-10-13 07:48:05,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:48:05,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071545349] [2021-10-13 07:48:05,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:48:05,988 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:48:05,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:48:05,989 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:48:06,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:48:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:48:06,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:48:06,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:48:06,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:48:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:48:06,678 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:48:06,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071545349] [2021-10-13 07:48:06,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071545349] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:48:06,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:48:06,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:48:06,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818238880] [2021-10-13 07:48:06,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:48:06,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:48:06,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:48:06,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:48:06,680 INFO L87 Difference]: Start difference. First operand 679 states and 836 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:48:08,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:48:08,517 INFO L93 Difference]: Finished difference Result 2581 states and 3169 transitions. [2021-10-13 07:48:08,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 07:48:08,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-13 07:48:08,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:48:08,529 INFO L225 Difference]: With dead ends: 2581 [2021-10-13 07:48:08,529 INFO L226 Difference]: Without dead ends: 2000 [2021-10-13 07:48:08,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 84.7ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:48:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2021-10-13 07:48:08,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 867. [2021-10-13 07:48:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 866 states have (on average 1.2240184757505774) internal successors, (1060), 866 states have internal predecessors, (1060), 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) [2021-10-13 07:48:08,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1060 transitions. [2021-10-13 07:48:08,693 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1060 transitions. Word has length 56 [2021-10-13 07:48:08,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:48:08,694 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1060 transitions. [2021-10-13 07:48:08,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:48:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1060 transitions. [2021-10-13 07:48:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 07:48:08,702 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:48:08,702 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:48:08,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:48:08,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:48:08,916 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:48:08,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:48:08,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1054337216, now seen corresponding path program 1 times [2021-10-13 07:48:08,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:48:08,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315277781] [2021-10-13 07:48:08,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:48:08,917 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:48:08,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:48:08,920 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:48:08,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 07:48:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:48:09,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:48:09,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:48:09,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:48:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:48:09,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:48:09,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315277781] [2021-10-13 07:48:09,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315277781] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:48:09,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:48:09,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 07:48:09,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571167746] [2021-10-13 07:48:09,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:48:09,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:48:09,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:48:09,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:48:09,705 INFO L87 Difference]: Start difference. First operand 867 states and 1060 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2021-10-13 07:48:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:48:11,845 INFO L93 Difference]: Finished difference Result 3075 states and 3770 transitions. [2021-10-13 07:48:11,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 07:48:11,845 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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 56 [2021-10-13 07:48:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:48:11,859 INFO L225 Difference]: With dead ends: 3075 [2021-10-13 07:48:11,859 INFO L226 Difference]: Without dead ends: 2286 [2021-10-13 07:48:11,861 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 162.9ms TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2021-10-13 07:48:11,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2021-10-13 07:48:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 833. [2021-10-13 07:48:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2175480769230769) internal successors, (1013), 832 states have internal predecessors, (1013), 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) [2021-10-13 07:48:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1013 transitions. [2021-10-13 07:48:12,044 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1013 transitions. Word has length 56 [2021-10-13 07:48:12,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:48:12,045 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1013 transitions. [2021-10-13 07:48:12,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2021-10-13 07:48:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1013 transitions. [2021-10-13 07:48:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 07:48:12,047 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:48:12,047 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:48:12,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:48:12,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:48:12,266 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:48:12,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:48:12,266 INFO L82 PathProgramCache]: Analyzing trace with hash 657781173, now seen corresponding path program 1 times [2021-10-13 07:48:12,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:48:12,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859711963] [2021-10-13 07:48:12,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:48:12,267 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:48:12,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:48:12,268 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:48:12,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 07:48:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:48:12,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:48:12,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:48:12,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:48:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:48:12,931 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:48:12,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859711963] [2021-10-13 07:48:12,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859711963] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:48:12,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:48:12,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:48:12,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583762777] [2021-10-13 07:48:12,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:48:12,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:48:12,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:48:12,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:48:12,933 INFO L87 Difference]: Start difference. First operand 833 states and 1013 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-13 07:48:13,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:48:13,124 INFO L93 Difference]: Finished difference Result 1875 states and 2293 transitions. [2021-10-13 07:48:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:48:13,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 56 [2021-10-13 07:48:13,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:48:13,130 INFO L225 Difference]: With dead ends: 1875 [2021-10-13 07:48:13,130 INFO L226 Difference]: Without dead ends: 1048 [2021-10-13 07:48:13,132 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:48:13,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-10-13 07:48:13,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 833. [2021-10-13 07:48:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2079326923076923) internal successors, (1005), 832 states have internal predecessors, (1005), 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) [2021-10-13 07:48:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1005 transitions. [2021-10-13 07:48:13,327 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1005 transitions. Word has length 56 [2021-10-13 07:48:13,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:48:13,327 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1005 transitions. [2021-10-13 07:48:13,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-13 07:48:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1005 transitions. [2021-10-13 07:48:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 07:48:13,329 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:48:13,329 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:48:13,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:48:13,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:48:13,544 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:48:13,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:48:13,545 INFO L82 PathProgramCache]: Analyzing trace with hash 263414387, now seen corresponding path program 1 times [2021-10-13 07:48:13,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:48:13,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681821024] [2021-10-13 07:48:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:48:13,545 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:48:13,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:48:13,546 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:48:13,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 07:48:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:48:13,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:48:13,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:48:14,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:48:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:48:14,199 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:48:14,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681821024] [2021-10-13 07:48:14,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681821024] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:48:14,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:48:14,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:48:14,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322838345] [2021-10-13 07:48:14,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:48:14,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:48:14,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:48:14,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:48:14,201 INFO L87 Difference]: Start difference. First operand 833 states and 1005 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-13 07:48:14,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:48:14,321 INFO L93 Difference]: Finished difference Result 1785 states and 2179 transitions. [2021-10-13 07:48:14,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:48:14,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 56 [2021-10-13 07:48:14,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:48:14,325 INFO L225 Difference]: With dead ends: 1785 [2021-10-13 07:48:14,326 INFO L226 Difference]: Without dead ends: 958 [2021-10-13 07:48:14,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:48:14,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-10-13 07:48:14,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 705. [2021-10-13 07:48:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 704 states have (on average 1.2144886363636365) internal successors, (855), 704 states have internal predecessors, (855), 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) [2021-10-13 07:48:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 855 transitions. [2021-10-13 07:48:14,443 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 855 transitions. Word has length 56 [2021-10-13 07:48:14,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:48:14,443 INFO L470 AbstractCegarLoop]: Abstraction has 705 states and 855 transitions. [2021-10-13 07:48:14,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-13 07:48:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 855 transitions. [2021-10-13 07:48:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 07:48:14,445 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:48:14,445 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:48:14,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-10-13 07:48:14,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:48:14,661 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:48:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:48:14,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1609070286, now seen corresponding path program 1 times [2021-10-13 07:48:14,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:48:14,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142467924] [2021-10-13 07:48:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:48:14,662 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:48:14,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:48:14,662 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:48:14,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-13 07:48:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:48:15,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:48:15,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:48:15,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:48:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:48:15,507 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:48:15,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142467924] [2021-10-13 07:48:15,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142467924] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:48:15,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:48:15,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:48:15,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862402523] [2021-10-13 07:48:15,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:48:15,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:48:15,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:48:15,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:48:15,510 INFO L87 Difference]: Start difference. First operand 705 states and 855 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-10-13 07:48:15,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:48:15,890 INFO L93 Difference]: Finished difference Result 1672 states and 2031 transitions. [2021-10-13 07:48:15,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 07:48:15,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 58 [2021-10-13 07:48:15,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:48:15,891 INFO L225 Difference]: With dead ends: 1672 [2021-10-13 07:48:15,892 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:48:15,895 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 86.8ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:48:15,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:48:15,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:48:15,896 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) [2021-10-13 07:48:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:48:15,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-13 07:48:15,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:48:15,896 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:48:15,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-10-13 07:48:15,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:48:15,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:48:15,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:48:15,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:48:15,901 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:48:15,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:48:16,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:48:16,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:48:16,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:16,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:18,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:18,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:18,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:18,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:18,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:23,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:23,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:24,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:25,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:26,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:27,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:31,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:31,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:31,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:48:46,193 WARN L207 SmtUtils]: Spent 9.70 s on a formula simplification. DAG size of input: 493 DAG size of output: 39 [2021-10-13 07:49:09,698 WARN L207 SmtUtils]: Spent 9.55 s on a formula simplification. DAG size of input: 483 DAG size of output: 39 [2021-10-13 07:49:10,300 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 582) no Hoare annotation was computed. [2021-10-13 07:49:10,300 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-10-13 07:49:10,300 INFO L853 garLoopResultBuilder]: At program point L498-1(lines 498 504) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse7 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 .cse8 .cse5 .cse6 .cse9) (and .cse0 .cse7 .cse10 .cse1 .cse11 .cse12 .cse2 .cse8 .cse9) (and .cse0 .cse7 .cse10 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse11 .cse12 .cse2 .cse9) (and .cse0 .cse10 .cse1 .cse12 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:49:10,300 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 274) no Hoare annotation was computed. [2021-10-13 07:49:10,300 INFO L860 garLoopResultBuilder]: At program point L267-1(lines 267 274) the Hoare annotation is: true [2021-10-13 07:49:10,300 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2021-10-13 07:49:10,300 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2021-10-13 07:49:10,300 INFO L857 garLoopResultBuilder]: For program point L168-2(lines 168 174) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 168 174) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L168-4(lines 168 174) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L168-5(lines 168 174) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L853 garLoopResultBuilder]: At program point L565(lines 1 951) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,301 INFO L857 garLoopResultBuilder]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,302 INFO L857 garLoopResultBuilder]: For program point L467-9(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,302 INFO L857 garLoopResultBuilder]: For program point L467-11(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,302 INFO L857 garLoopResultBuilder]: For program point L467-12(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,302 INFO L857 garLoopResultBuilder]: For program point L467-14(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,302 INFO L857 garLoopResultBuilder]: For program point L467-15(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,302 INFO L857 garLoopResultBuilder]: For program point L467-17(lines 467 471) no Hoare annotation was computed. [2021-10-13 07:49:10,302 INFO L853 garLoopResultBuilder]: At program point L534(lines 487 535) the Hoare annotation is: false [2021-10-13 07:49:10,303 INFO L853 garLoopResultBuilder]: At program point L173(lines 164 177) the Hoare annotation is: false [2021-10-13 07:49:10,303 INFO L853 garLoopResultBuilder]: At program point L173-1(lines 164 177) the Hoare annotation is: (let ((.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse4 .cse5) (and .cse0 .cse7 .cse6 .cse8 .cse2 .cse5))) [2021-10-13 07:49:10,303 INFO L853 garLoopResultBuilder]: At program point L173-2(lines 164 177) the Hoare annotation is: false [2021-10-13 07:49:10,303 INFO L853 garLoopResultBuilder]: At program point L173-3(lines 164 177) the Hoare annotation is: false [2021-10-13 07:49:10,303 INFO L853 garLoopResultBuilder]: At program point L173-4(lines 164 177) the Hoare annotation is: false [2021-10-13 07:49:10,304 INFO L853 garLoopResultBuilder]: At program point L173-5(lines 164 177) the Hoare annotation is: false [2021-10-13 07:49:10,304 INFO L853 garLoopResultBuilder]: At program point L240(lines 236 242) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:49:10,304 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 582) no Hoare annotation was computed. [2021-10-13 07:49:10,304 INFO L853 garLoopResultBuilder]: At program point L473(lines 458 476) the Hoare annotation is: false [2021-10-13 07:49:10,304 INFO L853 garLoopResultBuilder]: At program point L473-1(lines 458 476) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse9 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (not .cse15)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse9 .cse3 .cse10 .cse4 .cse11 .cse12 .cse6 .cse7) (and .cse1 .cse9 .cse8 .cse3 .cse10 .cse4 .cse11 .cse12 .cse7) (and .cse0 .cse1 .cse2 .cse13 .cse8 .cse4 .cse14 .cse5 .cse7) (and .cse0 .cse1 .cse15 .cse13 .cse4 .cse14 .cse5 .cse6 .cse7)))) [2021-10-13 07:49:10,305 INFO L853 garLoopResultBuilder]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2021-10-13 07:49:10,305 INFO L853 garLoopResultBuilder]: At program point L473-3(lines 458 476) the Hoare annotation is: false [2021-10-13 07:49:10,305 INFO L853 garLoopResultBuilder]: At program point L473-4(lines 458 476) the Hoare annotation is: false [2021-10-13 07:49:10,305 INFO L853 garLoopResultBuilder]: At program point L473-5(lines 458 476) the Hoare annotation is: false [2021-10-13 07:49:10,305 INFO L853 garLoopResultBuilder]: At program point L573(lines 568 576) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:49:10,305 INFO L860 garLoopResultBuilder]: At program point L276(lines 257 279) the Hoare annotation is: true [2021-10-13 07:49:10,306 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2021-10-13 07:49:10,306 INFO L853 garLoopResultBuilder]: At program point L508-1(lines 508 514) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse8 .cse1 .cse9 .cse10 .cse2 .cse7) (and .cse0 .cse5 .cse2 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse10 .cse2 .cse4 .cse7))) [2021-10-13 07:49:10,306 INFO L853 garLoopResultBuilder]: At program point L409(lines 402 412) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-13 07:49:10,306 INFO L853 garLoopResultBuilder]: At program point L409-1(lines 402 412) the Hoare annotation is: false [2021-10-13 07:49:10,306 INFO L853 garLoopResultBuilder]: At program point L409-2(lines 402 412) the Hoare annotation is: (let ((.cse17 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse3 (not .cse17)) (.cse5 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 (_ bv0 32)))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse7 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse15 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2)) (.cse16 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse9 .cse5 .cse7 .cse10 .cse11 .cse8) (and .cse12 .cse0 .cse1 .cse13 .cse2 .cse4 .cse6 .cse7 .cse14 .cse15 .cse16 .cse8) (and .cse12 .cse0 .cse17 .cse13 .cse9 .cse7 .cse14 .cse15 .cse16 .cse10 .cse11 .cse8)))) [2021-10-13 07:49:10,306 INFO L853 garLoopResultBuilder]: At program point L409-3(lines 402 412) the Hoare annotation is: false [2021-10-13 07:49:10,306 INFO L853 garLoopResultBuilder]: At program point L409-4(lines 402 412) the Hoare annotation is: false [2021-10-13 07:49:10,307 INFO L853 garLoopResultBuilder]: At program point L409-5(lines 402 412) the Hoare annotation is: false [2021-10-13 07:49:10,307 INFO L853 garLoopResultBuilder]: At program point L409-6(lines 402 412) the Hoare annotation is: false [2021-10-13 07:49:10,307 INFO L853 garLoopResultBuilder]: At program point L409-7(lines 402 412) the Hoare annotation is: false [2021-10-13 07:49:10,307 INFO L853 garLoopResultBuilder]: At program point L409-8(lines 402 412) the Hoare annotation is: false [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 365) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L348-1(lines 348 365) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 365) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L582-1(line 582) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L582-2(line 582) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 390) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L384-2(lines 384 390) no Hoare annotation was computed. [2021-10-13 07:49:10,307 INFO L857 garLoopResultBuilder]: For program point L384-4(lines 384 390) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L384-6(lines 384 390) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L384-8(lines 384 390) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L384-10(lines 384 390) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L853 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) .cse8 .cse9))) [2021-10-13 07:49:10,308 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 360) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L352-1(lines 352 360) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 360) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 75) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L55-2(lines 55 75) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L55-4(lines 55 75) no Hoare annotation was computed. [2021-10-13 07:49:10,308 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 529) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 339) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L322-3(lines 322 339) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L322-4(lines 322 339) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L322-5(lines 322 339) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L91-6(lines 91 95) no Hoare annotation was computed. [2021-10-13 07:49:10,309 INFO L853 garLoopResultBuilder]: At program point L290(lines 289 308) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (not (bvslt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv2 32)))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse1 .cse8 .cse9 .cse10 .cse2 .cse7) (and .cse0 .cse5 .cse2 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse10 .cse2 .cse4 .cse7))) [2021-10-13 07:49:10,309 INFO L857 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2021-10-13 07:49:10,310 INFO L853 garLoopResultBuilder]: At program point L290-2(lines 289 308) the Hoare annotation is: false [2021-10-13 07:49:10,310 INFO L853 garLoopResultBuilder]: At program point L290-3(lines 289 308) the Hoare annotation is: false [2021-10-13 07:49:10,310 INFO L853 garLoopResultBuilder]: At program point L191-2(lines 191 205) the Hoare annotation is: false [2021-10-13 07:49:10,310 INFO L857 garLoopResultBuilder]: For program point L489(lines 488 533) no Hoare annotation was computed. [2021-10-13 07:49:10,310 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-10-13 07:49:10,310 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-10-13 07:49:10,310 INFO L853 garLoopResultBuilder]: At program point L160(lines 155 163) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) .cse7) (and .cse0 .cse1 .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 (not (= ~waterLevel~0 (_ bv2 32))) .cse5 .cse6 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-13 07:49:10,310 INFO L853 garLoopResultBuilder]: At program point L160-1(lines 155 163) the Hoare annotation is: false [2021-10-13 07:49:10,310 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 155 163) the Hoare annotation is: false [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 951) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse14 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse7 .cse10 .cse11 .cse12 .cse13 .cse3 .cse8 .cse9) (and .cse0 .cse7 .cse10 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse11 .cse12 .cse13 .cse3 .cse9) (and .cse0 .cse11 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse6) (and .cse0 .cse14 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse10 .cse11 .cse14 .cse13 .cse3 .cse6))) [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 951) the Hoare annotation is: false [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 951) the Hoare annotation is: false [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 528) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L524-2(lines 290 296) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2021-10-13 07:49:10,311 INFO L857 garLoopResultBuilder]: For program point L326-3(lines 326 334) no Hoare annotation was computed. [2021-10-13 07:49:10,312 INFO L857 garLoopResultBuilder]: For program point L326-4(lines 326 334) no Hoare annotation was computed. [2021-10-13 07:49:10,312 INFO L857 garLoopResultBuilder]: For program point L326-5(lines 326 334) no Hoare annotation was computed. [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128(lines 123 131) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-1(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-2(lines 123 131) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse12 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 (_ bv0 32)))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse2 .cse11 .cse12 .cse4 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse14 .cse4 .cse5 .cse6 .cse7 .cse10) (and .cse1 .cse2 .cse13 .cse11 .cse12 .cse14 .cse4 .cse10))) [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-3(lines 123 131) the Hoare annotation is: (let ((.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse8 .cse5 .cse10 .cse11 .cse9) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse5 .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse12 .cse5 .cse10 .cse11 .cse9))) [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-4(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-5(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-6(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-7(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-8(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,312 INFO L853 garLoopResultBuilder]: At program point L128-9(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,313 INFO L853 garLoopResultBuilder]: At program point L128-10(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,313 INFO L853 garLoopResultBuilder]: At program point L128-11(lines 123 131) the Hoare annotation is: false [2021-10-13 07:49:10,313 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-10-13 07:49:10,313 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 290 296) no Hoare annotation was computed. [2021-10-13 07:49:10,313 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-13 07:49:10,313 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:49:10,313 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-13 07:49:10,313 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-10-13 07:49:10,314 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 582) no Hoare annotation was computed. [2021-10-13 07:49:10,314 INFO L853 garLoopResultBuilder]: At program point L297(lines 297 303) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse5 .cse6 .cse9 .cse10 .cse7) (and .cse0 .cse11 .cse5 .cse9 .cse12) (and .cse0 .cse8 .cse5 .cse9 .cse10 .cse12) (and .cse0 .cse2 .cse11 .cse5 .cse12))) [2021-10-13 07:49:10,314 INFO L853 garLoopResultBuilder]: At program point L297-1(lines 297 303) the Hoare annotation is: false [2021-10-13 07:49:10,314 INFO L853 garLoopResultBuilder]: At program point L297-2(lines 297 303) the Hoare annotation is: false [2021-10-13 07:49:10,318 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:49:10,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:49:10 BoogieIcfgContainer [2021-10-13 07:49:10,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:49:10,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:49:10,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:49:10,373 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:49:10,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:47:44" (3/4) ... [2021-10-13 07:49:10,389 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:49:10,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:49:10,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:49:10,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:49:10,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:49:10,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:49:10,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:49:10,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:49:10,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) [2021-10-13 07:49:10,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) [2021-10-13 07:49:10,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) [2021-10-13 07:49:10,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) [2021-10-13 07:49:10,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) && tmp == 0bv32) || ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && tmp == 0bv32) [2021-10-13 07:49:10,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:49:10,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:49:10,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:49:10,518 INFO L168 Benchmark]: Toolchain (without parser) took 89843.66 ms. Allocated memory was 54.5 MB in the beginning and 448.8 MB in the end (delta: 394.3 MB). Free memory was 30.4 MB in the beginning and 321.0 MB in the end (delta: -290.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:49:10,518 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:49:10,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.77 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.2 MB in the beginning and 45.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:49:10,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.34 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:49:10,520 INFO L168 Benchmark]: Boogie Preprocessor took 78.28 ms. Allocated memory is still 67.1 MB. Free memory was 41.5 MB in the beginning and 38.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:49:10,520 INFO L168 Benchmark]: RCFGBuilder took 2980.22 ms. Allocated memory is still 67.1 MB. Free memory was 38.4 MB in the beginning and 39.1 MB in the end (delta: -720.2 kB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:49:10,521 INFO L168 Benchmark]: TraceAbstraction took 85678.09 ms. Allocated memory was 67.1 MB in the beginning and 448.8 MB in the end (delta: 381.7 MB). Free memory was 38.5 MB in the beginning and 332.5 MB in the end (delta: -294.0 MB). Peak memory consumption was 279.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:49:10,521 INFO L168 Benchmark]: Witness Printer took 144.19 ms. Allocated memory is still 448.8 MB. Free memory was 332.5 MB in the beginning and 321.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:49:10,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 843.77 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.2 MB in the beginning and 45.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.34 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.28 ms. Allocated memory is still 67.1 MB. Free memory was 41.5 MB in the beginning and 38.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2980.22 ms. Allocated memory is still 67.1 MB. Free memory was 38.4 MB in the beginning and 39.1 MB in the end (delta: -720.2 kB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 85678.09 ms. Allocated memory was 67.1 MB in the beginning and 448.8 MB in the end (delta: 381.7 MB). Free memory was 38.5 MB in the beginning and 332.5 MB in the end (delta: -294.0 MB). Peak memory consumption was 279.1 MB. Max. memory is 16.1 GB. * Witness Printer took 144.19 ms. Allocated memory is still 448.8 MB. Free memory was 332.5 MB in the beginning and 321.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 582]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 582]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 582]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 85555.8ms, OverallIterations: 17, TraceHistogramMax: 2, EmptinessCheckTime: 54.0ms, AutomataDifference: 15866.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 54185.2ms, InitialAbstractionConstructionTime: 16.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2112 SDtfs, 3838 SDslu, 5790 SDs, 0 SdLazy, 868 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12205.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1404 GetRequests, 1282 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1079.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=13, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1390.4ms AutomataMinimizationTime, 17 MinimizatonAttempts, 6149 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 386 NumberOfFragments, 1664 HoareAnnotationTreeSize, 57 FomulaSimplifications, 860772154 FormulaSimplificationTreeSizeReduction, 15490.6ms HoareSimplificationTime, 57 FomulaSimplificationsInter, 26638628 FormulaSimplificationTreeSizeReductionInter, 38667.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 362.9ms SsaConstructionTime, 2119.8ms SatisfiabilityAnalysisTime, 5167.9ms InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2481 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3833 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 218/218 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: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) && tmp == 0bv32) || ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:49:10,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d03c7c-84a1-4142-89fc-4b76397366b1/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...