./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:46:08,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:46:08,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:46:08,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:46:08,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:46:08,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:46:08,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:46:08,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:46:08,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:46:08,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:46:08,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:46:08,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:46:08,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:46:08,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:46:08,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:46:08,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:46:08,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:46:08,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:46:08,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:46:08,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:46:08,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:46:08,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:46:08,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:46:08,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:46:08,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:46:08,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:46:08,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:46:08,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:46:08,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:46:08,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:46:08,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:46:08,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:46:08,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:46:08,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:46:08,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:46:08,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:46:08,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:46:08,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:46:08,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:46:08,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:46:08,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:46:08,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:46:08,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:46:08,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:46:08,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:46:08,721 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:46:08,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:46:08,721 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:46:08,721 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:46:08,722 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:46:08,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:46:08,722 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:46:08,722 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:46:08,722 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:46:08,723 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:46:08,723 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:46:08,723 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:46:08,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:46:08,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:46:08,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:46:08,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:46:08,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:46:08,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:46:08,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:46:08,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:46:08,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:46:08,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:46:08,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:46:08,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:46:08,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:46:08,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:46:08,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:46:08,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:08,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:46:08,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:46:08,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:46:08,728 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:46:08,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:46:08,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:46:08,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:46:08,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:46:08,729 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_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2021-11-07 01:46:09,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:46:09,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:46:09,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:46:09,083 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:46:09,084 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:46:09,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-11-07 01:46:09,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/ff74d0899/2e245971cea44724a0743da7a3732998/FLAGca46f1a38 [2021-11-07 01:46:09,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:46:09,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-11-07 01:46:09,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/ff74d0899/2e245971cea44724a0743da7a3732998/FLAGca46f1a38 [2021-11-07 01:46:10,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/ff74d0899/2e245971cea44724a0743da7a3732998 [2021-11-07 01:46:10,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:46:10,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:46:10,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:10,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:46:10,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:46:10,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:10" (1/1) ... [2021-11-07 01:46:10,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc191b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:10, skipping insertion in model container [2021-11-07 01:46:10,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:10" (1/1) ... [2021-11-07 01:46:10,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:46:10,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:46:10,470 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_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-11-07 01:46:10,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:10,515 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:46:10,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fea5faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:10, skipping insertion in model container [2021-11-07 01:46:10,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:10,528 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:46:10,530 INFO L168 Benchmark]: Toolchain (without parser) took 419.95 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 46.2 MB in the beginning and 85.9 MB in the end (delta: -39.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:10,531 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:46:10,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.40 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 46.0 MB in the beginning and 85.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:10,534 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 83.9 MB. Free memory was 63.3 MB in the beginning and 63.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 417.40 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 46.0 MB in the beginning and 85.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:46:12,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:46:12,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:46:12,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:46:12,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:46:12,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:46:12,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:46:12,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:46:12,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:46:12,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:46:12,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:46:12,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:46:12,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:46:13,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:46:13,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:46:13,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:46:13,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:46:13,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:46:13,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:46:13,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:46:13,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:46:13,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:46:13,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:46:13,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:46:13,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:46:13,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:46:13,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:46:13,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:46:13,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:46:13,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:46:13,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:46:13,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:46:13,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:46:13,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:46:13,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:46:13,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:46:13,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:46:13,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:46:13,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:46:13,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:46:13,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:46:13,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:46:13,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:46:13,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:46:13,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:46:13,115 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:46:13,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:46:13,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:46:13,116 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:46:13,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:46:13,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:46:13,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:46:13,119 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:46:13,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:46:13,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:46:13,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:46:13,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:46:13,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:46:13,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:46:13,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:46:13,121 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:46:13,121 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:46:13,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:46:13,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:46:13,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:46:13,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:46:13,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:46:13,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:46:13,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:13,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:46:13,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:46:13,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:46:13,124 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:46:13,124 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:46:13,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:46:13,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:46:13,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:46:13,125 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_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2021-11-07 01:46:13,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:46:13,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:46:13,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:46:13,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:46:13,536 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:46:13,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-11-07 01:46:13,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/ed2a771f8/9a82b63729f047e4afda47747383291d/FLAGd371fb174 [2021-11-07 01:46:14,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:46:14,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-11-07 01:46:14,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/ed2a771f8/9a82b63729f047e4afda47747383291d/FLAGd371fb174 [2021-11-07 01:46:14,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/data/ed2a771f8/9a82b63729f047e4afda47747383291d [2021-11-07 01:46:14,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:46:14,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:46:14,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:14,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:46:14,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:46:14,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:14" (1/1) ... [2021-11-07 01:46:14,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6610e8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:14, skipping insertion in model container [2021-11-07 01:46:14,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:14" (1/1) ... [2021-11-07 01:46:14,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:46:14,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:46:14,962 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_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-11-07 01:46:14,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:15,025 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:46:15,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:46:15,159 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_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-11-07 01:46:15,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:15,218 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:46:15,268 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_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-11-07 01:46:15,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:15,305 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:46:15,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15 WrapperNode [2021-11-07 01:46:15,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:15,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:46:15,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:46:15,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:46:15,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:46:15,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:46:15,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:46:15,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:46:15,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:46:15,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:46:15,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:46:15,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:46:15,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (1/1) ... [2021-11-07 01:46:15,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:15,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:46:15,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:46:15,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:46:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:46:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:46:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:46:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:46:17,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:46:17,973 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-11-07 01:46:17,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:17 BoogieIcfgContainer [2021-11-07 01:46:17,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:46:17,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:46:17,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:46:17,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:46:17,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:46:14" (1/3) ... [2021-11-07 01:46:17,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5019b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:46:17, skipping insertion in model container [2021-11-07 01:46:17,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:15" (2/3) ... [2021-11-07 01:46:17,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5019b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:46:17, skipping insertion in model container [2021-11-07 01:46:17,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:17" (3/3) ... [2021-11-07 01:46:17,985 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2021-11-07 01:46:17,991 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:46:17,991 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:46:18,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:46:18,075 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:46:18,076 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:46:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:46:18,130 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:18,131 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:18,132 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:18,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:18,139 INFO L85 PathProgramCache]: Analyzing trace with hash -38817959, now seen corresponding path program 1 times [2021-11-07 01:46:18,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:18,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556063658] [2021-11-07 01:46:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:18,159 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:18,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:18,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:18,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:46:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:18,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:46:18,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:18,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:18,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:18,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556063658] [2021-11-07 01:46:18,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556063658] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:18,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:18,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:46:18,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004170503] [2021-11-07 01:46:18,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:46:18,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:18,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:46:18,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:46:18,633 INFO L87 Difference]: Start difference. First operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:18,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:18,688 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2021-11-07 01:46:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:46:18,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:46:18,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:18,704 INFO L225 Difference]: With dead ends: 276 [2021-11-07 01:46:18,705 INFO L226 Difference]: Without dead ends: 137 [2021-11-07 01:46:18,709 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:46:18,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-07 01:46:18,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-07 01:46:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 136 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:18,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2021-11-07 01:46:18,783 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2021-11-07 01:46:18,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:18,784 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2021-11-07 01:46:18,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2021-11-07 01:46:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:46:18,786 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:18,786 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:18,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:19,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:19,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:19,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:19,005 INFO L85 PathProgramCache]: Analyzing trace with hash -949848712, now seen corresponding path program 1 times [2021-11-07 01:46:19,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:19,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850208683] [2021-11-07 01:46:19,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:19,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:19,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:19,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:19,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:46:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:19,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:46:19,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:19,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:19,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:19,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850208683] [2021-11-07 01:46:19,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850208683] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:19,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:19,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:46:19,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513508804] [2021-11-07 01:46:19,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:46:19,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:19,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:46:19,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:46:19,338 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:19,352 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2021-11-07 01:46:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:46:19,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:46:19,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:19,354 INFO L225 Difference]: With dead ends: 137 [2021-11-07 01:46:19,354 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 01:46:19,355 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:46:19,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 01:46:19,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 01:46:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-11-07 01:46:19,361 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-11-07 01:46:19,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:19,361 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-11-07 01:46:19,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-07 01:46:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:46:19,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:19,363 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:19,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:19,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:19,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2021-11-07 01:46:19,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:19,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021810424] [2021-11-07 01:46:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:19,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:19,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:19,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:19,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:46:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:19,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:46:19,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:19,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:19,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:19,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021810424] [2021-11-07 01:46:19,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021810424] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:19,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:19,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:46:19,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446232934] [2021-11-07 01:46:19,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:46:19,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:19,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:46:19,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:46:19,973 INFO L87 Difference]: Start difference. First operand 55 states and 79 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) [2021-11-07 01:46:19,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:19,989 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2021-11-07 01:46:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:46:19,990 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 [2021-11-07 01:46:19,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:19,991 INFO L225 Difference]: With dead ends: 104 [2021-11-07 01:46:19,991 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 01:46:19,994 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:46:19,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 01:46:20,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 01:46:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-11-07 01:46:20,004 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-11-07 01:46:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:20,005 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-11-07 01:46:20,006 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) [2021-11-07 01:46:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-11-07 01:46:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:46:20,008 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:20,008 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:20,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:20,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:20,225 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:20,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:20,225 INFO L85 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2021-11-07 01:46:20,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:20,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839667606] [2021-11-07 01:46:20,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:20,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:20,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:20,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:46:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:20,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:46:20,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:20,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:20,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:20,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839667606] [2021-11-07 01:46:20,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839667606] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:20,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:20,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:46:20,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897425660] [2021-11-07 01:46:20,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:46:20,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:20,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:46:20,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:46:20,600 INFO L87 Difference]: Start difference. First operand 55 states and 78 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) [2021-11-07 01:46:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:20,652 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-11-07 01:46:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:46:20,653 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 [2021-11-07 01:46:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:20,654 INFO L225 Difference]: With dead ends: 127 [2021-11-07 01:46:20,654 INFO L226 Difference]: Without dead ends: 78 [2021-11-07 01:46:20,655 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:46:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-07 01:46:20,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2021-11-07 01:46:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2021-11-07 01:46:20,664 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2021-11-07 01:46:20,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:20,665 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2021-11-07 01:46:20,665 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) [2021-11-07 01:46:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2021-11-07 01:46:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:46:20,666 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:20,667 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:20,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:46:20,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:20,879 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:20,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:20,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2021-11-07 01:46:20,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:20,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748891168] [2021-11-07 01:46:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:20,880 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:20,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:20,881 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:20,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:46:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:21,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:46:21,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:21,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:21,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:21,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748891168] [2021-11-07 01:46:21,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748891168] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:21,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:21,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:46:21,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493262456] [2021-11-07 01:46:21,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:46:21,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:46:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:46:21,408 INFO L87 Difference]: Start difference. First operand 76 states and 107 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) [2021-11-07 01:46:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:21,871 INFO L93 Difference]: Finished difference Result 841 states and 1225 transitions. [2021-11-07 01:46:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:46:21,872 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 [2021-11-07 01:46:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:21,878 INFO L225 Difference]: With dead ends: 841 [2021-11-07 01:46:21,878 INFO L226 Difference]: Without dead ends: 771 [2021-11-07 01:46:21,879 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:46:21,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-11-07 01:46:21,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 186. [2021-11-07 01:46:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 260 transitions. [2021-11-07 01:46:21,910 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 260 transitions. Word has length 32 [2021-11-07 01:46:21,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:21,911 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 260 transitions. [2021-11-07 01:46:21,911 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) [2021-11-07 01:46:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 260 transitions. [2021-11-07 01:46:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:46:21,913 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:21,913 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:21,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:22,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:22,126 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:22,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:22,127 INFO L85 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2021-11-07 01:46:22,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:22,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011038435] [2021-11-07 01:46:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:22,128 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:22,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:22,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:22,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:46:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:22,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:46:22,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:22,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:22,555 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:22,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011038435] [2021-11-07 01:46:22,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011038435] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:22,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:22,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:46:22,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955371325] [2021-11-07 01:46:22,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:46:22,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:22,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:46:22,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:46:22,561 INFO L87 Difference]: Start difference. First operand 186 states and 260 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) [2021-11-07 01:46:22,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:22,649 INFO L93 Difference]: Finished difference Result 585 states and 826 transitions. [2021-11-07 01:46:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:46:22,649 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 [2021-11-07 01:46:22,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:22,653 INFO L225 Difference]: With dead ends: 585 [2021-11-07 01:46:22,653 INFO L226 Difference]: Without dead ends: 452 [2021-11-07 01:46:22,654 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:46:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-11-07 01:46:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 190. [2021-11-07 01:46:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 189 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2021-11-07 01:46:22,696 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 33 [2021-11-07 01:46:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:22,697 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2021-11-07 01:46:22,697 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) [2021-11-07 01:46:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2021-11-07 01:46:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:46:22,702 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:22,703 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:22,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-07 01:46:22,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:22,915 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:22,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2021-11-07 01:46:22,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:22,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050250759] [2021-11-07 01:46:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:22,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:22,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:22,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:46:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:23,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:46:23,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:23,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:23,343 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:23,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050250759] [2021-11-07 01:46:23,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050250759] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:23,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:23,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:46:23,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990341185] [2021-11-07 01:46:23,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:46:23,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:23,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:46:23,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:46:23,346 INFO L87 Difference]: Start difference. First operand 190 states and 262 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) [2021-11-07 01:46:23,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:23,488 INFO L93 Difference]: Finished difference Result 720 states and 1006 transitions. [2021-11-07 01:46:23,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:46:23,488 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 [2021-11-07 01:46:23,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:23,496 INFO L225 Difference]: With dead ends: 720 [2021-11-07 01:46:23,496 INFO L226 Difference]: Without dead ends: 536 [2021-11-07 01:46:23,497 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:46:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-11-07 01:46:23,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 199. [2021-11-07 01:46:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.3585858585858586) internal successors, (269), 198 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 269 transitions. [2021-11-07 01:46:23,529 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 269 transitions. Word has length 33 [2021-11-07 01:46:23,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:23,529 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 269 transitions. [2021-11-07 01:46:23,530 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) [2021-11-07 01:46:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2021-11-07 01:46:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:46:23,533 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:23,533 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:23,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:23,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:23,748 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:23,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2021-11-07 01:46:23,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:23,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106725780] [2021-11-07 01:46:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:23,749 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:23,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:23,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:23,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:46:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:24,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:46:24,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:24,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:24,329 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:24,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106725780] [2021-11-07 01:46:24,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106725780] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:24,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:24,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:46:24,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369465649] [2021-11-07 01:46:24,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:46:24,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:24,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:46:24,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:46:24,331 INFO L87 Difference]: Start difference. First operand 199 states and 269 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) [2021-11-07 01:46:24,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:24,746 INFO L93 Difference]: Finished difference Result 1566 states and 2101 transitions. [2021-11-07 01:46:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:46:24,747 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 [2021-11-07 01:46:24,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:24,756 INFO L225 Difference]: With dead ends: 1566 [2021-11-07 01:46:24,756 INFO L226 Difference]: Without dead ends: 1373 [2021-11-07 01:46:24,758 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:46:24,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-11-07 01:46:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 390. [2021-11-07 01:46:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 1.3367609254498716) internal successors, (520), 389 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 520 transitions. [2021-11-07 01:46:24,849 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 520 transitions. Word has length 36 [2021-11-07 01:46:24,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:24,850 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 520 transitions. [2021-11-07 01:46:24,850 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) [2021-11-07 01:46:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 520 transitions. [2021-11-07 01:46:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:46:24,853 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:24,853 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:24,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 01:46:25,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:25,066 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:25,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:25,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2021-11-07 01:46:25,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:25,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998025482] [2021-11-07 01:46:25,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:25,067 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:25,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:25,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:46:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:25,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:46:25,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:25,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:25,576 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:25,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998025482] [2021-11-07 01:46:25,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998025482] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:25,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:25,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:46:25,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174495002] [2021-11-07 01:46:25,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:46:25,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:25,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:46:25,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:46:25,578 INFO L87 Difference]: Start difference. First operand 390 states and 520 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) [2021-11-07 01:46:28,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:28,671 INFO L93 Difference]: Finished difference Result 1099 states and 1487 transitions. [2021-11-07 01:46:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:46:28,672 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 [2021-11-07 01:46:28,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:28,677 INFO L225 Difference]: With dead ends: 1099 [2021-11-07 01:46:28,677 INFO L226 Difference]: Without dead ends: 715 [2021-11-07 01:46:28,678 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:46:28,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2021-11-07 01:46:28,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 320. [2021-11-07 01:46:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 319 states have (on average 1.2946708463949843) internal successors, (413), 319 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 413 transitions. [2021-11-07 01:46:28,736 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 413 transitions. Word has length 36 [2021-11-07 01:46:28,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:28,737 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 413 transitions. [2021-11-07 01:46:28,737 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) [2021-11-07 01:46:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 413 transitions. [2021-11-07 01:46:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:46:28,738 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:28,738 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:28,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:28,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:28,951 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:28,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:28,951 INFO L85 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2021-11-07 01:46:28,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:28,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349221889] [2021-11-07 01:46:28,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:28,952 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:28,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:28,952 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:28,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:46:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:29,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:46:29,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:29,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:29,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:29,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349221889] [2021-11-07 01:46:29,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349221889] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:29,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:29,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:46:29,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919554918] [2021-11-07 01:46:29,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:46:29,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:29,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:46:29,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:46:29,529 INFO L87 Difference]: Start difference. First operand 320 states and 413 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) [2021-11-07 01:46:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:31,361 INFO L93 Difference]: Finished difference Result 1022 states and 1308 transitions. [2021-11-07 01:46:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:46:31,361 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 [2021-11-07 01:46:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:31,367 INFO L225 Difference]: With dead ends: 1022 [2021-11-07 01:46:31,367 INFO L226 Difference]: Without dead ends: 708 [2021-11-07 01:46:31,368 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:46:31,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2021-11-07 01:46:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 300. [2021-11-07 01:46:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2675585284280937) internal successors, (379), 299 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 379 transitions. [2021-11-07 01:46:31,438 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 379 transitions. Word has length 37 [2021-11-07 01:46:31,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:31,439 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 379 transitions. [2021-11-07 01:46:31,439 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) [2021-11-07 01:46:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 379 transitions. [2021-11-07 01:46:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:46:31,441 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:31,441 INFO L513 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] [2021-11-07 01:46:31,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:31,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:31,657 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1743364106, now seen corresponding path program 1 times [2021-11-07 01:46:31,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:31,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138161968] [2021-11-07 01:46:31,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:31,658 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:31,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:31,660 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:31,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:46:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:31,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:46:31,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:46:32,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:46:32,424 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:32,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138161968] [2021-11-07 01:46:32,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138161968] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:32,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:32,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:46:32,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155387503] [2021-11-07 01:46:32,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:46:32,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:32,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:46:32,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:46:32,426 INFO L87 Difference]: Start difference. First operand 300 states and 379 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:35,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:35,641 INFO L93 Difference]: Finished difference Result 1034 states and 1338 transitions. [2021-11-07 01:46:35,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:46:35,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 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 [2021-11-07 01:46:35,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:35,647 INFO L225 Difference]: With dead ends: 1034 [2021-11-07 01:46:35,647 INFO L226 Difference]: Without dead ends: 836 [2021-11-07 01:46:35,648 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:46:35,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-11-07 01:46:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 695. [2021-11-07 01:46:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.260806916426513) internal successors, (875), 694 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 875 transitions. [2021-11-07 01:46:35,777 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 875 transitions. Word has length 56 [2021-11-07 01:46:35,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:35,778 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 875 transitions. [2021-11-07 01:46:35,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 875 transitions. [2021-11-07 01:46:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:46:35,779 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:35,779 INFO L513 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] [2021-11-07 01:46:35,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:35,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:35,992 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:35,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2021-11-07 01:46:35,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:35,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083754428] [2021-11-07 01:46:35,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:35,993 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:35,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:35,994 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:35,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:46:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:36,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:46:36,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:36,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:36,734 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:36,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083754428] [2021-11-07 01:46:36,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083754428] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:36,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:36,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:46:36,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221104337] [2021-11-07 01:46:36,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:46:36,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:46:36,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:46:36,735 INFO L87 Difference]: Start difference. First operand 695 states and 875 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:36,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:36,997 INFO L93 Difference]: Finished difference Result 1785 states and 2242 transitions. [2021-11-07 01:46:36,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:46:36,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 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 [2021-11-07 01:46:36,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:37,004 INFO L225 Difference]: With dead ends: 1785 [2021-11-07 01:46:37,005 INFO L226 Difference]: Without dead ends: 1096 [2021-11-07 01:46:37,006 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:46:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-11-07 01:46:37,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 695. [2021-11-07 01:46:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.239193083573487) internal successors, (860), 694 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 860 transitions. [2021-11-07 01:46:37,140 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 860 transitions. Word has length 56 [2021-11-07 01:46:37,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:37,140 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 860 transitions. [2021-11-07 01:46:37,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 860 transitions. [2021-11-07 01:46:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:46:37,141 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:37,142 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:37,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:37,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:37,354 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:37,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:37,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1671822983, now seen corresponding path program 1 times [2021-11-07 01:46:37,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:37,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128047357] [2021-11-07 01:46:37,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:37,355 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:37,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:37,356 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:37,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:46:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:37,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:46:37,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:37,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:38,047 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:38,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128047357] [2021-11-07 01:46:38,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128047357] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:38,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:38,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:46:38,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082323961] [2021-11-07 01:46:38,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:46:38,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:38,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:46:38,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:46:38,049 INFO L87 Difference]: Start difference. First operand 695 states and 860 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:40,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:40,067 INFO L93 Difference]: Finished difference Result 2661 states and 3289 transitions. [2021-11-07 01:46:40,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:46:40,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 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 [2021-11-07 01:46:40,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:40,081 INFO L225 Difference]: With dead ends: 2661 [2021-11-07 01:46:40,081 INFO L226 Difference]: Without dead ends: 2064 [2021-11-07 01:46:40,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:46:40,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2021-11-07 01:46:40,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 887. [2021-11-07 01:46:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.2302483069977426) internal successors, (1090), 886 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1090 transitions. [2021-11-07 01:46:40,294 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1090 transitions. Word has length 58 [2021-11-07 01:46:40,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:40,294 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1090 transitions. [2021-11-07 01:46:40,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1090 transitions. [2021-11-07 01:46:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:46:40,296 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:40,296 INFO L513 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, 1, 1] [2021-11-07 01:46:40,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:40,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:40,500 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:40,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:40,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2091911420, now seen corresponding path program 1 times [2021-11-07 01:46:40,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:40,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760710952] [2021-11-07 01:46:40,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:40,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:40,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:40,502 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:40,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:46:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:40,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:46:40,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:46:41,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:46:41,283 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:41,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760710952] [2021-11-07 01:46:41,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760710952] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:41,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:41,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:46:41,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412510052] [2021-11-07 01:46:41,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:46:41,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:41,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:46:41,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:46:41,285 INFO L87 Difference]: Start difference. First operand 887 states and 1090 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 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) [2021-11-07 01:46:45,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:45,015 INFO L93 Difference]: Finished difference Result 2687 states and 3312 transitions. [2021-11-07 01:46:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:46:45,016 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 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 58 [2021-11-07 01:46:45,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:45,027 INFO L225 Difference]: With dead ends: 2687 [2021-11-07 01:46:45,027 INFO L226 Difference]: Without dead ends: 1878 [2021-11-07 01:46:45,030 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:46:45,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2021-11-07 01:46:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 853. [2021-11-07 01:46:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2241784037558685) internal successors, (1043), 852 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1043 transitions. [2021-11-07 01:46:45,193 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1043 transitions. Word has length 58 [2021-11-07 01:46:45,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:45,194 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1043 transitions. [2021-11-07 01:46:45,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 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) [2021-11-07 01:46:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1043 transitions. [2021-11-07 01:46:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:46:45,195 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:45,195 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:45,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:45,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:45,413 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:45,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:45,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1514821351, now seen corresponding path program 1 times [2021-11-07 01:46:45,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:45,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251496733] [2021-11-07 01:46:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:45,414 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:45,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:45,415 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:45,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:46:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:45,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:46:45,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:46,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:46,166 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:46,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251496733] [2021-11-07 01:46:46,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251496733] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:46,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:46,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:46:46,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743595067] [2021-11-07 01:46:46,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:46:46,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:46:46,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:46:46,169 INFO L87 Difference]: Start difference. First operand 853 states and 1043 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:46,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:46,400 INFO L93 Difference]: Finished difference Result 1915 states and 2353 transitions. [2021-11-07 01:46:46,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:46:46,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 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 58 [2021-11-07 01:46:46,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:46,407 INFO L225 Difference]: With dead ends: 1915 [2021-11-07 01:46:46,407 INFO L226 Difference]: Without dead ends: 1068 [2021-11-07 01:46:46,412 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:46:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2021-11-07 01:46:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 853. [2021-11-07 01:46:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2147887323943662) internal successors, (1035), 852 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1035 transitions. [2021-11-07 01:46:46,591 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1035 transitions. Word has length 58 [2021-11-07 01:46:46,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:46,592 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1035 transitions. [2021-11-07 01:46:46,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1035 transitions. [2021-11-07 01:46:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:46:46,593 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:46,594 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:46,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:46,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:46,809 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:46,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1750786647, now seen corresponding path program 1 times [2021-11-07 01:46:46,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:46,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721875546] [2021-11-07 01:46:46,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:46,810 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:46,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:46,811 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:46,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 01:46:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:47,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:46:47,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:47,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:47,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:47,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721875546] [2021-11-07 01:46:47,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721875546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:47,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:47,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:46:47,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216131947] [2021-11-07 01:46:47,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:46:47,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:47,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:46:47,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:46:47,599 INFO L87 Difference]: Start difference. First operand 853 states and 1035 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:47,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:47,792 INFO L93 Difference]: Finished difference Result 1825 states and 2239 transitions. [2021-11-07 01:46:47,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:46:47,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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 [2021-11-07 01:46:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:47,798 INFO L225 Difference]: With dead ends: 1825 [2021-11-07 01:46:47,798 INFO L226 Difference]: Without dead ends: 978 [2021-11-07 01:46:47,800 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:46:47,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2021-11-07 01:46:47,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 725. [2021-11-07 01:46:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 724 states have (on average 1.2223756906077348) internal successors, (885), 724 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 885 transitions. [2021-11-07 01:46:47,927 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 885 transitions. Word has length 58 [2021-11-07 01:46:47,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:47,928 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 885 transitions. [2021-11-07 01:46:47,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 885 transitions. [2021-11-07 01:46:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:46:47,929 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:47,929 INFO L513 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, 1, 1] [2021-11-07 01:46:47,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:48,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:48,132 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:48,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash -782788334, now seen corresponding path program 1 times [2021-11-07 01:46:48,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:48,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681324940] [2021-11-07 01:46:48,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:48,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:48,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:48,134 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:48,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:46:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:48,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:46:48,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:48,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:49,125 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:49,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681324940] [2021-11-07 01:46:49,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681324940] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:46:49,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1785772852] [2021-11-07 01:46:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:49,126 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:46:49,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:46:49,128 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:46:49,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-07 01:46:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:49,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:46:49,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:46:49,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:46:50,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1785772852] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:50,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:46:50,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-11-07 01:46:50,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564305725] [2021-11-07 01:46:50,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:46:50,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:50,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:46:50,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:46:50,073 INFO L87 Difference]: Start difference. First operand 725 states and 885 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) [2021-11-07 01:46:50,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:50,387 INFO L93 Difference]: Finished difference Result 1713 states and 2106 transitions. [2021-11-07 01:46:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:46:50,387 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 60 [2021-11-07 01:46:50,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:50,393 INFO L225 Difference]: With dead ends: 1713 [2021-11-07 01:46:50,393 INFO L226 Difference]: Without dead ends: 994 [2021-11-07 01:46:50,395 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:46:50,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2021-11-07 01:46:50,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 752. [2021-11-07 01:46:50,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.214380825565912) internal successors, (912), 751 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:50,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 912 transitions. [2021-11-07 01:46:50,577 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 912 transitions. Word has length 60 [2021-11-07 01:46:50,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:50,578 INFO L470 AbstractCegarLoop]: Abstraction has 752 states and 912 transitions. [2021-11-07 01:46:50,579 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) [2021-11-07 01:46:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 912 transitions. [2021-11-07 01:46:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:46:50,586 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:50,587 INFO L513 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, 1, 1] [2021-11-07 01:46:50,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:50,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:51,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:46:51,004 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:51,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:51,004 INFO L85 PathProgramCache]: Analyzing trace with hash -524622896, now seen corresponding path program 1 times [2021-11-07 01:46:51,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:51,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137771806] [2021-11-07 01:46:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:51,005 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:51,006 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:51,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 01:46:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:51,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:46:51,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:51,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:51,990 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:51,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137771806] [2021-11-07 01:46:51,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1137771806] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:46:51,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1506797419] [2021-11-07 01:46:51,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:51,990 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:46:51,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:46:51,991 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:46:51,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-07 01:46:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:52,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:46:52,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:52,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:46:53,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1506797419] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:46:53,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286788047] [2021-11-07 01:46:53,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:53,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:46:53,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:46:53,114 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:46:53,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 01:46:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:53,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:46:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:53,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:54,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286788047] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 01:46:54,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-11-07 01:46:54,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 14 [2021-11-07 01:46:54,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684022068] [2021-11-07 01:46:54,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:46:54,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:46:54,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:46:54,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:46:54,165 INFO L87 Difference]: Start difference. First operand 752 states and 912 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:55,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:55,503 INFO L93 Difference]: Finished difference Result 4053 states and 4965 transitions. [2021-11-07 01:46:55,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 01:46:55,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 60 [2021-11-07 01:46:55,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:55,525 INFO L225 Difference]: With dead ends: 4053 [2021-11-07 01:46:55,525 INFO L226 Difference]: Without dead ends: 3307 [2021-11-07 01:46:55,527 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2021-11-07 01:46:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2021-11-07 01:46:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 1085. [2021-11-07 01:46:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1084 states have (on average 1.227859778597786) internal successors, (1331), 1084 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1331 transitions. [2021-11-07 01:46:55,784 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1331 transitions. Word has length 60 [2021-11-07 01:46:55,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:55,785 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1331 transitions. [2021-11-07 01:46:55,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:46:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1331 transitions. [2021-11-07 01:46:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 01:46:55,786 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:55,787 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 01:46:55,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:56,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:56,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:46:56,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:46:56,400 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:56,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:56,401 INFO L85 PathProgramCache]: Analyzing trace with hash 927286599, now seen corresponding path program 1 times [2021-11-07 01:46:56,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:46:56,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058766111] [2021-11-07 01:46:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:56,401 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:46:56,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:46:56,402 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:46:56,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 01:46:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:57,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:46:57,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:46:57,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:46:57,653 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:46:57,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058766111] [2021-11-07 01:46:57,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058766111] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:46:57,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1646973143] [2021-11-07 01:46:57,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:57,654 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:46:57,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:46:57,656 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:46:57,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-11-07 01:46:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:58,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:46:58,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:46:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 01:46:58,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:46:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 01:46:59,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1646973143] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:46:59,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237138898] [2021-11-07 01:46:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:59,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:46:59,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:46:59,140 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:46:59,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-07 01:46:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:59,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:46:59,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 01:47:00,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:00,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237138898] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:00,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:47:00,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 6, 8, 9] total 20 [2021-11-07 01:47:00,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715699912] [2021-11-07 01:47:00,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-07 01:47:00,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:00,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 01:47:00,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:47:00,488 INFO L87 Difference]: Start difference. First operand 1085 states and 1331 transitions. Second operand has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 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) [2021-11-07 01:47:05,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:05,299 INFO L93 Difference]: Finished difference Result 3922 states and 4859 transitions. [2021-11-07 01:47:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 01:47:05,300 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 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) Word has length 83 [2021-11-07 01:47:05,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:05,300 INFO L225 Difference]: With dead ends: 3922 [2021-11-07 01:47:05,300 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:47:05,312 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=668, Invalid=2992, Unknown=0, NotChecked=0, Total=3660 [2021-11-07 01:47:05,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:47:05,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:47:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:47:05,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-11-07 01:47:05,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:05,313 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:47:05,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 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) [2021-11-07 01:47:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:47:05,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:47:05,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:47:05,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:47:05,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:47:05,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:05,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:05,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:05,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:05,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:47:05,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:05,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:06,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:06,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:08,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:09,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:09,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:09,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:09,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:09,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:09,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:10,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:11,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:11,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:11,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:12,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:18,285 WARN L207 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 941 DAG size of output: 803 [2021-11-07 01:47:18,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:18,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:19,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:21,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:25,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:59,154 WARN L207 SmtUtils]: Spent 13.54 s on a formula simplification. DAG size of input: 773 DAG size of output: 66 [2021-11-07 01:48:09,985 WARN L207 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 484 DAG size of output: 83 [2021-11-07 01:48:24,180 WARN L207 SmtUtils]: Spent 12.17 s on a formula simplification. DAG size of input: 718 DAG size of output: 79 [2021-11-07 01:48:36,902 WARN L207 SmtUtils]: Spent 12.71 s on a formula simplification. DAG size of input: 735 DAG size of output: 52 [2021-11-07 01:48:36,926 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-11-07 01:48:36,928 INFO L853 garLoopResultBuilder]: At program point L499(lines 494 502) the Hoare annotation is: (let ((.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse13 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not .cse15)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse11 .cse4 .cse5 .cse6 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse12 .cse13 .cse8 .cse9) (and .cse0 .cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse11 .cse4 .cse5 .cse6 .cse15) (and (or (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse6 .cse9) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse4 .cse5 .cse6 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32)))) .cse7) (and .cse0 .cse10 .cse1 .cse2 .cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4 .cse5 .cse6 .cse14 .cse7 .cse8)))) [2021-11-07 01:48:36,929 INFO L853 garLoopResultBuilder]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-11-07 01:48:36,929 INFO L853 garLoopResultBuilder]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-11-07 01:48:36,929 INFO L853 garLoopResultBuilder]: At program point L467(lines 462 470) the Hoare annotation is: false [2021-11-07 01:48:36,930 INFO L853 garLoopResultBuilder]: At program point L467-1(lines 462 470) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-11-07 01:48:36,930 INFO L853 garLoopResultBuilder]: At program point L467-2(lines 462 470) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse2 (not .cse14)) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse15 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse4 .cse5 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse13 .cse7) (and .cse0 .cse8 .cse1 .cse9 .cse3 .cse4 .cse5 .cse10) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse3 .cse4 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse13 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 .cse4 .cse13 .cse11 .cse12 .cse7) (and .cse0 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse4 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse11 .cse12 .cse7) (and .cse0 .cse4 .cse5 .cse11 .cse12 .cse6 .cse7) (and .cse0 .cse8 .cse14 .cse1 .cse9 .cse3 .cse4) (and .cse0 .cse8 .cse9 .cse15 .cse4 .cse10 .cse13 .cse11 .cse12 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse13 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse9 .cse15 .cse3 .cse4 .cse10 .cse13 .cse6)))) [2021-11-07 01:48:36,931 INFO L853 garLoopResultBuilder]: At program point L467-3(lines 462 470) the Hoare annotation is: false [2021-11-07 01:48:36,931 INFO L853 garLoopResultBuilder]: At program point L467-4(lines 462 470) the Hoare annotation is: false [2021-11-07 01:48:36,931 INFO L853 garLoopResultBuilder]: At program point L467-5(lines 462 470) the Hoare annotation is: false [2021-11-07 01:48:36,931 INFO L853 garLoopResultBuilder]: At program point L467-6(lines 462 470) the Hoare annotation is: false [2021-11-07 01:48:36,932 INFO L853 garLoopResultBuilder]: At program point L467-7(lines 462 470) the Hoare annotation is: false [2021-11-07 01:48:36,932 INFO L853 garLoopResultBuilder]: At program point L467-8(lines 462 470) the Hoare annotation is: false [2021-11-07 01:48:36,933 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,933 INFO L857 garLoopResultBuilder]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,933 INFO L857 garLoopResultBuilder]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,935 INFO L857 garLoopResultBuilder]: For program point L799-5(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,935 INFO L857 garLoopResultBuilder]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,935 INFO L857 garLoopResultBuilder]: For program point L799-8(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,935 INFO L857 garLoopResultBuilder]: For program point L799-9(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,936 INFO L857 garLoopResultBuilder]: For program point L799-11(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,937 INFO L857 garLoopResultBuilder]: For program point L799-12(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,937 INFO L857 garLoopResultBuilder]: For program point L799-14(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,937 INFO L857 garLoopResultBuilder]: For program point L799-15(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,937 INFO L857 garLoopResultBuilder]: For program point L799-17(lines 799 803) no Hoare annotation was computed. [2021-11-07 01:48:36,937 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-11-07 01:48:36,938 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-11-07 01:48:36,938 INFO L857 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2021-11-07 01:48:36,938 INFO L857 garLoopResultBuilder]: For program point L605-2(line 605) no Hoare annotation was computed. [2021-11-07 01:48:36,938 INFO L857 garLoopResultBuilder]: For program point L870(lines 870 881) no Hoare annotation was computed. [2021-11-07 01:48:36,938 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2021-11-07 01:48:36,939 INFO L857 garLoopResultBuilder]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2021-11-07 01:48:36,939 INFO L857 garLoopResultBuilder]: For program point L507-2(lines 507 513) no Hoare annotation was computed. [2021-11-07 01:48:36,939 INFO L857 garLoopResultBuilder]: For program point L507-3(lines 507 513) no Hoare annotation was computed. [2021-11-07 01:48:36,939 INFO L857 garLoopResultBuilder]: For program point L507-4(lines 507 513) no Hoare annotation was computed. [2021-11-07 01:48:36,939 INFO L857 garLoopResultBuilder]: For program point L507-5(lines 507 513) no Hoare annotation was computed. [2021-11-07 01:48:36,939 INFO L853 garLoopResultBuilder]: At program point L805(lines 790 808) the Hoare annotation is: false [2021-11-07 01:48:36,939 INFO L853 garLoopResultBuilder]: At program point L805-1(lines 790 808) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse16 (= ~waterLevel~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse17 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse14 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse15 (not .cse2)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse4 .cse11 .cse12 .cse7 .cse8 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse14 .cse4 .cse5 .cse6 .cse8) (and .cse1 .cse9 .cse14 .cse15 .cse10 .cse4 .cse11 .cse16 .cse17 .cse8 .cse13) (and .cse1 .cse9 .cse15 .cse10 .cse4 .cse11 .cse16 .cse7 .cse17 .cse8 .cse13) (and .cse1 .cse9 .cse14 .cse15 .cse10 .cse4 .cse11 .cse12 .cse8 .cse13)))) [2021-11-07 01:48:36,939 INFO L853 garLoopResultBuilder]: At program point L805-2(lines 790 808) the Hoare annotation is: false [2021-11-07 01:48:36,939 INFO L853 garLoopResultBuilder]: At program point L805-3(lines 790 808) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L805-4(lines 790 808) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L805-5(lines 790 808) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L741(lines 734 744) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L741-1(lines 734 744) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L741-2(lines 734 744) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L741-3(lines 734 744) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L741-4(lines 734 744) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 596) no Hoare annotation was computed. [2021-11-07 01:48:36,940 INFO L853 garLoopResultBuilder]: At program point L741-5(lines 734 744) the Hoare annotation is: false [2021-11-07 01:48:36,940 INFO L857 garLoopResultBuilder]: For program point L576-2(lines 576 596) no Hoare annotation was computed. [2021-11-07 01:48:36,940 INFO L857 garLoopResultBuilder]: For program point L576-4(lines 576 596) no Hoare annotation was computed. [2021-11-07 01:48:36,941 INFO L857 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-11-07 01:48:36,941 INFO L857 garLoopResultBuilder]: For program point L841(lines 840 885) no Hoare annotation was computed. [2021-11-07 01:48:36,941 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 846) no Hoare annotation was computed. [2021-11-07 01:48:36,941 INFO L853 garLoopResultBuilder]: At program point L512(lines 503 516) the Hoare annotation is: false [2021-11-07 01:48:36,941 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 503 516) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (not .cse6)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse8 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse10 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse9 .cse8 .cse10 .cse5)))) [2021-11-07 01:48:36,941 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 503 516) the Hoare annotation is: false [2021-11-07 01:48:36,941 INFO L853 garLoopResultBuilder]: At program point L512-3(lines 503 516) the Hoare annotation is: false [2021-11-07 01:48:36,941 INFO L853 garLoopResultBuilder]: At program point L512-4(lines 503 516) the Hoare annotation is: false [2021-11-07 01:48:36,941 INFO L853 garLoopResultBuilder]: At program point L512-5(lines 503 516) the Hoare annotation is: false [2021-11-07 01:48:36,941 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2021-11-07 01:48:36,941 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 621 627) no Hoare annotation was computed. [2021-11-07 01:48:36,941 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-11-07 01:48:36,942 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 621 627) no Hoare annotation was computed. [2021-11-07 01:48:36,948 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2021-11-07 01:48:36,949 INFO L857 garLoopResultBuilder]: For program point L679-1(lines 679 696) no Hoare annotation was computed. [2021-11-07 01:48:36,949 INFO L857 garLoopResultBuilder]: For program point L679-2(lines 679 696) no Hoare annotation was computed. [2021-11-07 01:48:36,949 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-11-07 01:48:36,949 INFO L860 garLoopResultBuilder]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-11-07 01:48:36,949 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:48:36,950 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 595) no Hoare annotation was computed. [2021-11-07 01:48:36,950 INFO L853 garLoopResultBuilder]: At program point L582-1(lines 1 989) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (not .cse1)) (.cse13 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse20 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse15 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse14 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse11 .cse2 .cse3 .cse12 .cse8 .cse4 .cse5 .cse13) (and .cse0 .cse9 (not .cse14) .cse15 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) .cse10 .cse11 .cse16 .cse17 .cse2 .cse12 .cse8 .cse13) (and .cse0 .cse15 .cse7 .cse16 .cse17 .cse2 .cse18 .cse19 .cse20 .cse13 .cse6) (and .cse0 .cse2 .cse18 .cse3 .cse4 .cse5 .cse13 .cse6) (and .cse0 .cse15 .cse2 .cse8 .cse6) (and .cse0 .cse9 .cse15 .cse10 .cse16 .cse17 .cse2 .cse18 .cse19 .cse12 .cse20) (and .cse0 .cse9 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse15 .cse10 .cse16 .cse17 .cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse14) (and .cse0 .cse9 .cse10 .cse2 .cse18 .cse3 .cse12 .cse4 .cse5)))) [2021-11-07 01:48:36,950 INFO L857 garLoopResultBuilder]: For program point L582-2(lines 582 595) no Hoare annotation was computed. [2021-11-07 01:48:36,950 INFO L853 garLoopResultBuilder]: At program point L582-3(lines 1 989) the Hoare annotation is: false [2021-11-07 01:48:36,950 INFO L857 garLoopResultBuilder]: For program point L582-4(lines 582 595) no Hoare annotation was computed. [2021-11-07 01:48:36,951 INFO L853 garLoopResultBuilder]: At program point L582-5(lines 1 989) the Hoare annotation is: false [2021-11-07 01:48:36,951 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-11-07 01:48:36,951 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2021-11-07 01:48:36,951 INFO L857 garLoopResultBuilder]: For program point L716-2(lines 716 722) no Hoare annotation was computed. [2021-11-07 01:48:36,951 INFO L857 garLoopResultBuilder]: For program point L683-1(lines 683 691) no Hoare annotation was computed. [2021-11-07 01:48:36,951 INFO L857 garLoopResultBuilder]: For program point L683-2(lines 683 691) no Hoare annotation was computed. [2021-11-07 01:48:36,951 INFO L857 garLoopResultBuilder]: For program point L716-4(lines 716 722) no Hoare annotation was computed. [2021-11-07 01:48:36,952 INFO L857 garLoopResultBuilder]: For program point L716-6(lines 716 722) no Hoare annotation was computed. [2021-11-07 01:48:36,952 INFO L857 garLoopResultBuilder]: For program point L716-8(lines 716 722) no Hoare annotation was computed. [2021-11-07 01:48:36,953 INFO L857 garLoopResultBuilder]: For program point L716-10(lines 716 722) no Hoare annotation was computed. [2021-11-07 01:48:36,953 INFO L853 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 01:48:36,953 INFO L853 garLoopResultBuilder]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2021-11-07 01:48:36,954 INFO L853 garLoopResultBuilder]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2021-11-07 01:48:36,954 INFO L853 garLoopResultBuilder]: At program point L552(lines 1 989) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:36,954 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2021-11-07 01:48:36,954 INFO L853 garLoopResultBuilder]: At program point L850-1(lines 850 856) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse13 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse14 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0))) (.cse5 (not .cse1)) (.cse15 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse18 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse19 (= ~waterLevel~0 (_ bv0 32))) (.cse20 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse21 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse22 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse10 .cse11 .cse3 .cse6 .cse12 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse13 .cse2 .cse14 .cse11 .cse15 .cse16 .cse17 .cse3 .cse12 .cse7 .cse18) (and .cse0 .cse10 .cse1 .cse13 .cse2 .cse14 .cse11 .cse15 .cse16 .cse17 .cse3 .cse18) (and .cse0 .cse2 .cse5 .cse16 .cse17 .cse3 .cse19 .cse20 .cse21 .cse18 .cse4) (and .cse0 .cse3 .cse19 .cse6 .cse8 .cse9 .cse18 .cse4) (and .cse0 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse10 .cse1 .cse11 .cse15 .cse3 .cse6 .cse12 .cse8 .cse9 .cse18) (and .cse0 .cse10 .cse11 .cse3 .cse19 .cse6 .cse12 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse6 .cse8 .cse9 .cse4) (and .cse0 .cse10 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse11 .cse16 .cse17 .cse3 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (and .cse0 .cse10 .cse2 .cse11 .cse16 .cse17 .cse3 .cse20 .cse12 .cse7 .cse21 .cse22) (and .cse0 .cse10 .cse2 .cse11 .cse16 .cse17 .cse3 .cse19 .cse20 .cse12 .cse21 .cse22)))) [2021-11-07 01:48:36,954 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 592) no Hoare annotation was computed. [2021-11-07 01:48:36,954 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 586 592) no Hoare annotation was computed. [2021-11-07 01:48:36,955 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-11-07 01:48:36,955 INFO L857 garLoopResultBuilder]: For program point L586-4(lines 586 592) no Hoare annotation was computed. [2021-11-07 01:48:36,955 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:48:36,955 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-11-07 01:48:36,955 INFO L857 garLoopResultBuilder]: For program point L818-2(lines 818 822) no Hoare annotation was computed. [2021-11-07 01:48:36,955 INFO L857 garLoopResultBuilder]: For program point L818-3(lines 818 822) no Hoare annotation was computed. [2021-11-07 01:48:36,955 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2021-11-07 01:48:36,956 INFO L857 garLoopResultBuilder]: For program point L818-5(lines 818 822) no Hoare annotation was computed. [2021-11-07 01:48:36,956 INFO L857 garLoopResultBuilder]: For program point L653-1(lines 653 670) no Hoare annotation was computed. [2021-11-07 01:48:36,956 INFO L857 garLoopResultBuilder]: For program point L818-6(lines 818 822) no Hoare annotation was computed. [2021-11-07 01:48:36,956 INFO L857 garLoopResultBuilder]: For program point L653-2(lines 653 670) no Hoare annotation was computed. [2021-11-07 01:48:36,956 INFO L857 garLoopResultBuilder]: For program point L653-3(lines 653 670) no Hoare annotation was computed. [2021-11-07 01:48:36,956 INFO L857 garLoopResultBuilder]: For program point L818-8(lines 818 822) no Hoare annotation was computed. [2021-11-07 01:48:36,956 INFO L857 garLoopResultBuilder]: For program point L653-4(lines 653 670) no Hoare annotation was computed. [2021-11-07 01:48:36,957 INFO L857 garLoopResultBuilder]: For program point L653-5(lines 653 670) no Hoare annotation was computed. [2021-11-07 01:48:36,957 INFO L853 garLoopResultBuilder]: At program point L621(lines 620 639) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse1 (not .cse6)) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse9 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse5) (and .cse0 .cse10 .cse11 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse2 .cse8 .cse9 .cse5) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse8 .cse12) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse3) (and .cse0 .cse10 .cse11 .cse2 .cse8 .cse12 .cse4)))) [2021-11-07 01:48:36,957 INFO L857 garLoopResultBuilder]: For program point L621-1(lines 621 627) no Hoare annotation was computed. [2021-11-07 01:48:36,957 INFO L853 garLoopResultBuilder]: At program point L621-2(lines 620 639) the Hoare annotation is: false [2021-11-07 01:48:36,957 INFO L853 garLoopResultBuilder]: At program point L522(lines 517 525) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse5 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse5 .cse8))) [2021-11-07 01:48:36,958 INFO L853 garLoopResultBuilder]: At program point L621-3(lines 620 639) the Hoare annotation is: false [2021-11-07 01:48:36,958 INFO L853 garLoopResultBuilder]: At program point L522-1(lines 517 525) the Hoare annotation is: false [2021-11-07 01:48:36,958 INFO L853 garLoopResultBuilder]: At program point L522-2(lines 517 525) the Hoare annotation is: false [2021-11-07 01:48:36,958 INFO L853 garLoopResultBuilder]: At program point L886(lines 839 887) the Hoare annotation is: false [2021-11-07 01:48:36,958 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:48:36,958 INFO L860 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-11-07 01:48:36,958 INFO L853 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:36,959 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2021-11-07 01:48:36,959 INFO L857 garLoopResultBuilder]: For program point L657-1(lines 657 665) no Hoare annotation was computed. [2021-11-07 01:48:36,959 INFO L857 garLoopResultBuilder]: For program point L657-2(lines 657 665) no Hoare annotation was computed. [2021-11-07 01:48:36,959 INFO L857 garLoopResultBuilder]: For program point L657-3(lines 657 665) no Hoare annotation was computed. [2021-11-07 01:48:36,959 INFO L857 garLoopResultBuilder]: For program point L657-4(lines 657 665) no Hoare annotation was computed. [2021-11-07 01:48:36,959 INFO L857 garLoopResultBuilder]: For program point L657-5(lines 657 665) no Hoare annotation was computed. [2021-11-07 01:48:36,960 INFO L853 garLoopResultBuilder]: At program point L824(lines 809 827) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse8 .cse10 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse11 .cse4 .cse12 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse11 .cse4 .cse12 .cse7))) [2021-11-07 01:48:36,960 INFO L853 garLoopResultBuilder]: At program point L824-1(lines 809 827) the Hoare annotation is: false [2021-11-07 01:48:36,960 INFO L853 garLoopResultBuilder]: At program point L824-2(lines 809 827) the Hoare annotation is: false [2021-11-07 01:48:36,960 INFO L853 garLoopResultBuilder]: At program point L560(lines 555 563) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:36,960 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:48:36,960 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-11-07 01:48:36,961 INFO L853 garLoopResultBuilder]: At program point L628(lines 628 634) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse8 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (not .cse14)) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8 .cse1 .cse9 .cse10 .cse3 .cse4) (and .cse0 .cse1 .cse10 .cse3 .cse5) (and (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse11 .cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 .cse11 .cse7 .cse1 .cse5)) .cse10) (and .cse0 .cse11 .cse12 .cse1 .cse2 .cse13 .cse4 .cse5) (and .cse0 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse5) (and .cse0 .cse6 .cse11 .cse7 .cse1 .cse2 .cse9) (and .cse0 .cse6 .cse14 .cse11 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse6 .cse11 .cse7 .cse8 .cse1 .cse9 .cse10 .cse4) (and .cse0 .cse11 .cse12 .cse1 .cse10 .cse13 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse2 .cse9 .cse3)))) [2021-11-07 01:48:36,961 INFO L853 garLoopResultBuilder]: At program point L628-1(lines 628 634) the Hoare annotation is: false [2021-11-07 01:48:36,961 INFO L853 garLoopResultBuilder]: At program point L628-2(lines 628 634) the Hoare annotation is: false [2021-11-07 01:48:36,961 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-11-07 01:48:36,961 INFO L857 garLoopResultBuilder]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2021-11-07 01:48:36,961 INFO L857 garLoopResultBuilder]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2021-11-07 01:48:36,962 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-11-07 01:48:36,962 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (not .cse2)) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse16 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse5 .cse9 .cse6 .cse10) (and .cse0 .cse2 .cse11 .cse5 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse3 .cse5 .cse13 .cse6) (and .cse0 .cse1 .cse3 .cse5 .cse14 .cse15 .cse16 .cse6) (and .cse0 .cse2 .cse5 .cse6 .cse10) (and .cse0 .cse8 .cse5 .cse14 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse3 .cse5 .cse15 .cse9 .cse16 .cse6) (and .cse0 .cse11 .cse5 .cse9 .cse10) (and .cse0 .cse11 .cse8 .cse5 .cse14 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse11 .cse3 .cse5 .cse13) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse15 .cse9 .cse16) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse14 .cse15 .cse16)))) [2021-11-07 01:48:36,966 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:36,969 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:48:37,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:48:37 BoogieIcfgContainer [2021-11-07 01:48:37,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:48:37,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:48:37,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:48:37,077 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:48:37,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:17" (3/4) ... [2021-11-07 01:48:37,082 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:48:37,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:48:37,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:48:37,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:48:37,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:48:37,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:48:37,122 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:48:37,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:48:37,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-11-07 01:48:37,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32))) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32)) [2021-11-07 01:48:37,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32))) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) [2021-11-07 01:48:37,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) [2021-11-07 01:48:37,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-11-07 01:48:37,165 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) [2021-11-07 01:48:37,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:48:37,167 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) && waterLevel == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-11-07 01:48:37,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-11-07 01:48:37,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-11-07 01:48:37,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result) && 1bv32 == \result [2021-11-07 01:48:37,178 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:48:37,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:48:37,265 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:48:37,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:48:37,267 INFO L168 Benchmark]: Toolchain (without parser) took 142674.38 ms. Allocated memory was 56.6 MB in the beginning and 1.0 GB in the end (delta: 971.0 MB). Free memory was 32.3 MB in the beginning and 663.4 MB in the end (delta: -631.2 MB). Peak memory consumption was 339.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:37,268 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:37,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 36.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:37,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.80 ms. Allocated memory is still 69.2 MB. Free memory was 36.8 MB in the beginning and 47.9 MB in the end (delta: -11.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:37,269 INFO L168 Benchmark]: Boogie Preprocessor took 104.42 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 44.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:37,270 INFO L168 Benchmark]: RCFGBuilder took 2458.40 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 44.7 MB in the beginning and 58.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:37,270 INFO L168 Benchmark]: TraceAbstraction took 139098.18 ms. Allocated memory was 86.0 MB in the beginning and 1.0 GB in the end (delta: 941.6 MB). Free memory was 58.4 MB in the beginning and 676.0 MB in the end (delta: -617.6 MB). Peak memory consumption was 649.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:37,271 INFO L168 Benchmark]: Witness Printer took 188.83 ms. Allocated memory is still 1.0 GB. Free memory was 676.0 MB in the beginning and 663.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:37,274 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 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 706.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 36.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.80 ms. Allocated memory is still 69.2 MB. Free memory was 36.8 MB in the beginning and 47.9 MB in the end (delta: -11.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.42 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 44.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2458.40 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 44.7 MB in the beginning and 58.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 139098.18 ms. Allocated memory was 86.0 MB in the beginning and 1.0 GB in the end (delta: 941.6 MB). Free memory was 58.4 MB in the beginning and 676.0 MB in the end (delta: -617.6 MB). Peak memory consumption was 649.6 MB. Max. memory is 16.1 GB. * Witness Printer took 188.83 ms. Allocated memory is still 1.0 GB. Free memory was 676.0 MB in the beginning and 663.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: 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, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 138.9s, OverallIterations: 19, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 90.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2785 SDtfs, 6353 SDslu, 9842 SDs, 0 SdLazy, 1526 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2491 GetRequests, 2286 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1085occurred in iteration=18, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 8648 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 1019 NumberOfFragments, 2895 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9972486779 FormulaSimplificationTreeSizeReduction, 24.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 714111700 FormulaSimplificationTreeSizeReductionInter, 66.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 1187 NumberOfCodeBlocks, 1187 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2326 ConstructedInterpolants, 0 QuantifiedInterpolants, 5183 SizeOfPredicates, 67 NumberOfNonLiveVariables, 5739 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 48 InterpolantComputations, 35 PerfectInterpolantSequences, 469/698 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: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32))) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32))) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) && waterLevel == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:48:37,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf7a9c9-5cc6-4549-89b5-ad3f36cb64ed/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE