./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.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_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/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_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/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_c2d2feda-b378-4719-ae56-cf03234e9f2e/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 cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:22:06,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:22:06,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:22:06,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:22:06,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:22:06,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:22:06,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:22:06,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:22:06,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:22:06,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:22:06,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:22:06,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:22:06,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:22:06,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:22:06,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:22:06,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:22:06,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:22:06,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:22:06,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:22:06,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:22:06,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:22:06,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:22:06,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:22:06,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:22:06,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:22:06,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:22:06,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:22:06,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:22:06,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:22:06,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:22:06,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:22:06,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:22:06,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:22:06,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:22:06,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:22:06,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:22:06,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:22:06,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:22:06,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:22:06,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:22:06,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:22:06,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:22:06,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:22:06,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:22:06,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:22:06,944 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:22:06,944 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:22:06,945 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:22:06,945 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:22:06,945 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:22:06,946 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:22:06,946 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:22:06,947 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:22:06,947 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:22:06,948 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:22:06,948 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:22:06,948 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:22:06,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:22:06,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:22:06,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:22:06,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:22:06,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:22:06,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:22:06,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:22:06,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:22:06,951 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:22:06,951 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:22:06,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:22:06,952 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:22:06,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:22:06,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:22:06,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:22:06,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:22:06,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:22:06,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:22:06,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:22:06,954 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:22:06,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:22:06,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:22:06,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:22:06,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:22:06,956 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_c2d2feda-b378-4719-ae56-cf03234e9f2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb [2021-11-07 02:22:07,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:22:07,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:22:07,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:22:07,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:22:07,332 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:22:07,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-11-07 02:22:07,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/81b64f582/1f9e039ed6984620ade653a685d86791/FLAG8f56bf59e [2021-11-07 02:22:08,019 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:22:08,019 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-11-07 02:22:08,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/81b64f582/1f9e039ed6984620ade653a685d86791/FLAG8f56bf59e [2021-11-07 02:22:08,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/81b64f582/1f9e039ed6984620ade653a685d86791 [2021-11-07 02:22:08,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:22:08,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:22:08,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:22:08,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:22:08,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:22:08,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:22:08" (1/1) ... [2021-11-07 02:22:08,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10334386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:08, skipping insertion in model container [2021-11-07 02:22:08,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:22:08" (1/1) ... [2021-11-07 02:22:08,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:22:08,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:22:08,663 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_c2d2feda-b378-4719-ae56-cf03234e9f2e/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2021-11-07 02:22:08,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:22:08,772 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:22:08,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a965130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:08, skipping insertion in model container [2021-11-07 02:22:08,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:22:08,773 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:22:08,776 INFO L168 Benchmark]: Toolchain (without parser) took 432.08 ms. Allocated memory is still 96.5 MB. Free memory was 63.1 MB in the beginning and 69.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:22:08,777 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:22:08,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.93 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 69.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:22:08,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.93 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 69.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 370]: 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_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/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_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/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_c2d2feda-b378-4719-ae56-cf03234e9f2e/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 cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:22:11,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:22:11,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:22:11,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:22:11,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:22:11,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:22:11,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:22:11,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:22:11,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:22:11,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:22:11,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:22:11,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:22:11,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:22:11,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:22:11,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:22:11,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:22:11,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:22:11,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:22:11,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:22:11,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:22:11,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:22:11,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:22:11,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:22:11,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:22:11,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:22:11,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:22:11,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:22:11,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:22:11,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:22:11,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:22:11,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:22:11,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:22:11,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:22:11,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:22:11,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:22:11,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:22:11,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:22:11,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:22:11,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:22:11,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:22:11,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:22:11,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:22:11,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:22:11,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:22:11,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:22:11,295 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:22:11,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:22:11,296 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:22:11,296 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:22:11,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:22:11,297 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:22:11,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:22:11,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:22:11,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:22:11,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:22:11,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:22:11,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:22:11,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:22:11,300 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:22:11,300 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:22:11,300 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:22:11,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:22:11,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:22:11,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:22:11,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:22:11,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:22:11,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:22:11,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:22:11,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:22:11,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:22:11,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:22:11,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:22:11,304 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:22:11,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:22:11,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:22:11,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:22:11,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:22:11,305 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_c2d2feda-b378-4719-ae56-cf03234e9f2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb [2021-11-07 02:22:11,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:22:11,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:22:11,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:22:11,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:22:11,752 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:22:11,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-11-07 02:22:11,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/0094e0510/b4ee1960a0ac4d4f9e9d0fa90c578da7/FLAG545116d8e [2021-11-07 02:22:12,434 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:22:12,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-11-07 02:22:12,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/0094e0510/b4ee1960a0ac4d4f9e9d0fa90c578da7/FLAG545116d8e [2021-11-07 02:22:12,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/data/0094e0510/b4ee1960a0ac4d4f9e9d0fa90c578da7 [2021-11-07 02:22:12,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:22:12,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:22:12,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:22:12,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:22:12,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:22:12,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:22:12" (1/1) ... [2021-11-07 02:22:12,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667109fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:12, skipping insertion in model container [2021-11-07 02:22:12,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:22:12" (1/1) ... [2021-11-07 02:22:12,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:22:12,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:22:13,008 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_c2d2feda-b378-4719-ae56-cf03234e9f2e/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2021-11-07 02:22:13,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:22:13,203 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:22:13,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:22:13,279 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_c2d2feda-b378-4719-ae56-cf03234e9f2e/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2021-11-07 02:22:13,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:22:13,387 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:22:13,418 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_c2d2feda-b378-4719-ae56-cf03234e9f2e/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2021-11-07 02:22:13,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:22:13,482 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:22:13,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13 WrapperNode [2021-11-07 02:22:13,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:22:13,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:22:13,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:22:13,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:22:13,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:22:13,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:22:13,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:22:13,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:22:13,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:22:13,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:22:13,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:22:13,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:22:13,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (1/1) ... [2021-11-07 02:22:13,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:22:13,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:22:13,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:22:13,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:22:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:22:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:22:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:22:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:22:16,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:22:16,873 INFO L299 CfgBuilder]: Removed 284 assume(true) statements. [2021-11-07 02:22:16,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:22:16 BoogieIcfgContainer [2021-11-07 02:22:16,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:22:16,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:22:16,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:22:16,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:22:16,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:22:12" (1/3) ... [2021-11-07 02:22:16,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7876edec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:22:16, skipping insertion in model container [2021-11-07 02:22:16,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:22:13" (2/3) ... [2021-11-07 02:22:16,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7876edec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:22:16, skipping insertion in model container [2021-11-07 02:22:16,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:22:16" (3/3) ... [2021-11-07 02:22:16,892 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2021-11-07 02:22:16,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:22:16,902 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:22:16,976 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:22:16,982 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:22:16,983 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:22:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 02:22:17,014 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:17,015 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:17,016 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:17,033 INFO L85 PathProgramCache]: Analyzing trace with hash 60762052, now seen corresponding path program 1 times [2021-11-07 02:22:17,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:17,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824144658] [2021-11-07 02:22:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:17,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:17,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:17,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:17,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:22:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:17,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:22:17,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:17,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:17,502 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:17,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824144658] [2021-11-07 02:22:17,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824144658] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:17,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:17,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:22:17,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721705906] [2021-11-07 02:22:17,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:22:17,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:17,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:22:17,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:22:17,539 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:17,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:17,624 INFO L93 Difference]: Finished difference Result 384 states and 587 transitions. [2021-11-07 02:22:17,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:22:17,626 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 02:22:17,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:17,645 INFO L225 Difference]: With dead ends: 384 [2021-11-07 02:22:17,645 INFO L226 Difference]: Without dead ends: 191 [2021-11-07 02:22:17,649 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:22:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-11-07 02:22:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-11-07 02:22:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5159574468085106) internal successors, (285), 190 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:17,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2021-11-07 02:22:17,730 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 18 [2021-11-07 02:22:17,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:17,730 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2021-11-07 02:22:17,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2021-11-07 02:22:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 02:22:17,734 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:17,735 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:17,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:17,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:17,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:17,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash -850268701, now seen corresponding path program 1 times [2021-11-07 02:22:17,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:17,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868706777] [2021-11-07 02:22:17,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:17,952 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:17,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:17,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:17,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:22:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:18,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:22:18,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:18,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:18,324 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:18,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868706777] [2021-11-07 02:22:18,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868706777] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:18,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:18,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:22:18,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376056535] [2021-11-07 02:22:18,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:22:18,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:18,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:22:18,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:22:18,329 INFO L87 Difference]: Start difference. First operand 191 states and 285 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:18,347 INFO L93 Difference]: Finished difference Result 191 states and 285 transitions. [2021-11-07 02:22:18,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:22:18,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 02:22:18,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:18,349 INFO L225 Difference]: With dead ends: 191 [2021-11-07 02:22:18,349 INFO L226 Difference]: Without dead ends: 73 [2021-11-07 02:22:18,351 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:22:18,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-07 02:22:18,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-07 02:22:18,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-11-07 02:22:18,358 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-11-07 02:22:18,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:18,358 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-11-07 02:22:18,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-11-07 02:22:18,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:22:18,360 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:18,360 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:18,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:18,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:18,575 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 02:22:18,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:18,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1473925832, now seen corresponding path program 1 times [2021-11-07 02:22:18,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:18,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114449038] [2021-11-07 02:22:18,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:18,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:18,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:18,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:18,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:22:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:18,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:22:18,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:18,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:18,962 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:18,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114449038] [2021-11-07 02:22:18,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114449038] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:18,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:18,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:22:18,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303379259] [2021-11-07 02:22:18,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:22:18,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:18,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:22:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:22:18,965 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:19,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:19,018 INFO L93 Difference]: Finished difference Result 140 states and 210 transitions. [2021-11-07 02:22:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:22:19,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 02:22:19,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:19,019 INFO L225 Difference]: With dead ends: 140 [2021-11-07 02:22:19,020 INFO L226 Difference]: Without dead ends: 73 [2021-11-07 02:22:19,020 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 02:22:19,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-07 02:22:19,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-07 02:22:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 72 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 02:22:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-11-07 02:22:19,045 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-11-07 02:22:19,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:19,045 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-11-07 02:22:19,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-11-07 02:22:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 02:22:19,047 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:19,048 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:19,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:19,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:19,249 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:19,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:19,249 INFO L85 PathProgramCache]: Analyzing trace with hash -17775911, now seen corresponding path program 1 times [2021-11-07 02:22:19,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:19,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649005279] [2021-11-07 02:22:19,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:19,251 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:19,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:19,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:19,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:22:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:19,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:22:19,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:19,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:19,686 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:19,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649005279] [2021-11-07 02:22:19,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649005279] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:19,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:19,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:22:19,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695150797] [2021-11-07 02:22:19,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:22:19,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:19,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:22:19,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:22:19,689 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:19,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:19,783 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-11-07 02:22:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:22:19,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 02:22:19,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:19,786 INFO L225 Difference]: With dead ends: 151 [2021-11-07 02:22:19,787 INFO L226 Difference]: Without dead ends: 84 [2021-11-07 02:22:19,791 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:22:19,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-07 02:22:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2021-11-07 02:22:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 81 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:19,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2021-11-07 02:22:19,811 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 27 [2021-11-07 02:22:19,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:19,812 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2021-11-07 02:22:19,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2021-11-07 02:22:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 02:22:19,814 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:19,815 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 02:22:19,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:20,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,028 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 02:22:20,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:20,029 INFO L85 PathProgramCache]: Analyzing trace with hash 585251370, now seen corresponding path program 1 times [2021-11-07 02:22:20,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:20,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761328030] [2021-11-07 02:22:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:20,030 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:20,032 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:20,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:22:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:20,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:20,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:20,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:20,478 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:20,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761328030] [2021-11-07 02:22:20,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761328030] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:20,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:20,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:22:20,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437738821] [2021-11-07 02:22:20,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:20,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:20,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:20,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:20,481 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:20,579 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2021-11-07 02:22:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:22:20,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 02:22:20,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:20,582 INFO L225 Difference]: With dead ends: 216 [2021-11-07 02:22:20,582 INFO L226 Difference]: Without dead ends: 140 [2021-11-07 02:22:20,583 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:22:20,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-07 02:22:20,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2021-11-07 02:22:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2021-11-07 02:22:20,595 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 33 [2021-11-07 02:22:20,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:20,596 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2021-11-07 02:22:20,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2021-11-07 02:22:20,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 02:22:20,598 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:20,598 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 02:22:20,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:20,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,822 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 02:22:20,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:20,823 INFO L85 PathProgramCache]: Analyzing trace with hash -542144723, now seen corresponding path program 1 times [2021-11-07 02:22:20,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:20,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248702561] [2021-11-07 02:22:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:20,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:20,826 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:20,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:22:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:21,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:21,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:21,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:21,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:21,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248702561] [2021-11-07 02:22:21,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248702561] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:21,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:21,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 02:22:21,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085396378] [2021-11-07 02:22:21,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:22:21,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:21,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:22:21,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:22:21,398 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:21,939 INFO L93 Difference]: Finished difference Result 1039 states and 1459 transitions. [2021-11-07 02:22:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 02:22:21,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 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 02:22:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:21,946 INFO L225 Difference]: With dead ends: 1039 [2021-11-07 02:22:21,946 INFO L226 Difference]: Without dead ends: 954 [2021-11-07 02:22:21,947 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 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 02:22:21,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-11-07 02:22:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 217. [2021-11-07 02:22:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.3703703703703705) internal successors, (296), 216 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 296 transitions. [2021-11-07 02:22:21,996 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 296 transitions. Word has length 33 [2021-11-07 02:22:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:21,999 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 296 transitions. [2021-11-07 02:22:21,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 296 transitions. [2021-11-07 02:22:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 02:22:22,006 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:22,007 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:22,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:22,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:22,225 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 02:22:22,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:22,225 INFO L85 PathProgramCache]: Analyzing trace with hash -395966035, now seen corresponding path program 1 times [2021-11-07 02:22:22,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:22,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318372332] [2021-11-07 02:22:22,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:22,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:22,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:22,231 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:22,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:22:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:22,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:22:22,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:22,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:22,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:22,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318372332] [2021-11-07 02:22:22,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318372332] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:22,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:22,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:22:22,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125364117] [2021-11-07 02:22:22,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:22:22,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:22,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:22:22,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:22:22,705 INFO L87 Difference]: Start difference. First operand 217 states and 296 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:22,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:22,821 INFO L93 Difference]: Finished difference Result 548 states and 760 transitions. [2021-11-07 02:22:22,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:22:22,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 02:22:22,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:22,825 INFO L225 Difference]: With dead ends: 548 [2021-11-07 02:22:22,825 INFO L226 Difference]: Without dead ends: 385 [2021-11-07 02:22:22,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 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 02:22:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-11-07 02:22:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 214. [2021-11-07 02:22:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.3615023474178405) internal successors, (290), 213 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 290 transitions. [2021-11-07 02:22:22,854 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 290 transitions. Word has length 34 [2021-11-07 02:22:22,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:22,855 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 290 transitions. [2021-11-07 02:22:22,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2021-11-07 02:22:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 02:22:22,856 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:22,857 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:22,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:23,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:23,070 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 02:22:23,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:23,071 INFO L85 PathProgramCache]: Analyzing trace with hash 989595496, now seen corresponding path program 1 times [2021-11-07 02:22:23,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:23,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017257822] [2021-11-07 02:22:23,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:23,071 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:23,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:23,076 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:23,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:22:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:23,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:23,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:23,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:23,576 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 02:22:23,577 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:23,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017257822] [2021-11-07 02:22:23,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017257822] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:23,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:23,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:22:23,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036817957] [2021-11-07 02:22:23,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:22:23,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:23,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:22:23,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:22:23,579 INFO L87 Difference]: Start difference. First operand 214 states and 290 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:25,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:25,278 INFO L93 Difference]: Finished difference Result 579 states and 801 transitions. [2021-11-07 02:22:25,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:22:25,279 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 02:22:25,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:25,282 INFO L225 Difference]: With dead ends: 579 [2021-11-07 02:22:25,282 INFO L226 Difference]: Without dead ends: 371 [2021-11-07 02:22:25,284 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 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 02:22:25,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-11-07 02:22:25,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 166. [2021-11-07 02:22:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.309090909090909) internal successors, (216), 165 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2021-11-07 02:22:25,308 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 34 [2021-11-07 02:22:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:25,308 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2021-11-07 02:22:25,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2021-11-07 02:22:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 02:22:25,310 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:25,311 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:25,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 02:22:25,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:25,524 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 02:22:25,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:25,525 INFO L85 PathProgramCache]: Analyzing trace with hash -137800597, now seen corresponding path program 1 times [2021-11-07 02:22:25,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:25,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998376320] [2021-11-07 02:22:25,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:25,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:25,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:25,527 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:25,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 02:22:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:25,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:25,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:25,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:26,079 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:26,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998376320] [2021-11-07 02:22:26,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998376320] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:26,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:26,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:22:26,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856196545] [2021-11-07 02:22:26,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:22:26,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:26,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:22:26,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:22:26,081 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:26,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:26,182 INFO L93 Difference]: Finished difference Result 449 states and 591 transitions. [2021-11-07 02:22:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:22:26,183 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 02:22:26,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:26,187 INFO L225 Difference]: With dead ends: 449 [2021-11-07 02:22:26,188 INFO L226 Difference]: Without dead ends: 289 [2021-11-07 02:22:26,188 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 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 02:22:26,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-11-07 02:22:26,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 166. [2021-11-07 02:22:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.290909090909091) internal successors, (213), 165 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2021-11-07 02:22:26,221 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 213 transitions. Word has length 34 [2021-11-07 02:22:26,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:26,221 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 213 transitions. [2021-11-07 02:22:26,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2021-11-07 02:22:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 02:22:26,223 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:26,224 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] [2021-11-07 02:22:26,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:26,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:26,442 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 02:22:26,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:26,442 INFO L85 PathProgramCache]: Analyzing trace with hash 8043234, now seen corresponding path program 1 times [2021-11-07 02:22:26,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:26,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877750646] [2021-11-07 02:22:26,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:26,443 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:26,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:26,444 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:26,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 02:22:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:26,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:22:26,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:26,917 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 02:22:26,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:27,110 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 02:22:27,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:27,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877750646] [2021-11-07 02:22:27,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877750646] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:27,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:27,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 02:22:27,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313156040] [2021-11-07 02:22:27,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:22:27,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:27,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:22:27,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:27,112 INFO L87 Difference]: Start difference. First operand 166 states and 213 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:30,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:30,246 INFO L93 Difference]: Finished difference Result 555 states and 736 transitions. [2021-11-07 02:22:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:22:30,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-07 02:22:30,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:30,250 INFO L225 Difference]: With dead ends: 555 [2021-11-07 02:22:30,250 INFO L226 Difference]: Without dead ends: 443 [2021-11-07 02:22:30,251 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:22:30,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-11-07 02:22:30,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 375. [2021-11-07 02:22:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 374 states have (on average 1.3021390374331552) internal successors, (487), 374 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 487 transitions. [2021-11-07 02:22:30,310 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 487 transitions. Word has length 52 [2021-11-07 02:22:30,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:30,311 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 487 transitions. [2021-11-07 02:22:30,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:30,312 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 487 transitions. [2021-11-07 02:22:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 02:22:30,312 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:30,313 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] [2021-11-07 02:22:30,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:30,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:30,527 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 02:22:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash 282802848, now seen corresponding path program 1 times [2021-11-07 02:22:30,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:30,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901261346] [2021-11-07 02:22:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:30,528 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:30,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:30,529 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:30,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 02:22:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:30,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:30,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:31,044 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 02:22:31,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:31,234 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 02:22:31,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:31,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901261346] [2021-11-07 02:22:31,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901261346] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:31,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:31,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:22:31,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732615762] [2021-11-07 02:22:31,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:31,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:31,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:31,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:31,237 INFO L87 Difference]: Start difference. First operand 375 states and 487 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 02:22:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:31,615 INFO L93 Difference]: Finished difference Result 1922 states and 2461 transitions. [2021-11-07 02:22:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:22:31,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 52 [2021-11-07 02:22:31,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:31,626 INFO L225 Difference]: With dead ends: 1922 [2021-11-07 02:22:31,626 INFO L226 Difference]: Without dead ends: 1553 [2021-11-07 02:22:31,628 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:22:31,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2021-11-07 02:22:31,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 742. [2021-11-07 02:22:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 741 states have (on average 1.2672064777327936) internal successors, (939), 741 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 939 transitions. [2021-11-07 02:22:31,784 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 939 transitions. Word has length 52 [2021-11-07 02:22:31,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:31,785 INFO L470 AbstractCegarLoop]: Abstraction has 742 states and 939 transitions. [2021-11-07 02:22:31,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 02:22:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 939 transitions. [2021-11-07 02:22:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 02:22:31,786 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:31,787 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 02:22:31,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:31,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:32,000 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 02:22:32,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:32,000 INFO L85 PathProgramCache]: Analyzing trace with hash 140278630, now seen corresponding path program 1 times [2021-11-07 02:22:32,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:32,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407827719] [2021-11-07 02:22:32,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:32,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:32,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:32,003 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:32,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 02:22:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:32,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:32,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:32,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:32,805 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:32,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407827719] [2021-11-07 02:22:32,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407827719] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:32,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1737139463] [2021-11-07 02:22:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:32,806 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:22:32,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:22:32,810 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:22:32,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 02:22:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:33,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:22:33,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:33,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:33,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1737139463] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:33,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014847570] [2021-11-07 02:22:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:33,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:22:33,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:22:33,649 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:22:33,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 02:22:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:34,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:34,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:34,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:34,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014847570] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:34,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 02:22:34,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-11-07 02:22:34,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699798900] [2021-11-07 02:22:34,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:22:34,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:34,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:22:34,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:22:34,411 INFO L87 Difference]: Start difference. First operand 742 states and 939 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:37,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:37,870 INFO L93 Difference]: Finished difference Result 1834 states and 2307 transitions. [2021-11-07 02:22:37,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:22:37,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 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 53 [2021-11-07 02:22:37,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:37,878 INFO L225 Difference]: With dead ends: 1834 [2021-11-07 02:22:37,878 INFO L226 Difference]: Without dead ends: 1098 [2021-11-07 02:22:37,880 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:22:37,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-11-07 02:22:38,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 658. [2021-11-07 02:22:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 657 states have (on average 1.234398782343988) internal successors, (811), 657 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:38,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 811 transitions. [2021-11-07 02:22:38,041 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 811 transitions. Word has length 53 [2021-11-07 02:22:38,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:38,043 INFO L470 AbstractCegarLoop]: Abstraction has 658 states and 811 transitions. [2021-11-07 02:22:38,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 811 transitions. [2021-11-07 02:22:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:22:38,044 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:38,045 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] [2021-11-07 02:22:38,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:38,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:38,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2021-11-07 02:22:38,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:22:38,668 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 02:22:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1173555437, now seen corresponding path program 1 times [2021-11-07 02:22:38,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:38,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785991402] [2021-11-07 02:22:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:38,670 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:38,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:38,673 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:38,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 02:22:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:39,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:22:39,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:39,246 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 02:22:39,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:39,411 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 02:22:39,411 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:39,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785991402] [2021-11-07 02:22:39,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785991402] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:39,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:39,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:22:39,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516176589] [2021-11-07 02:22:39,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:22:39,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:39,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:22:39,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:39,413 INFO L87 Difference]: Start difference. First operand 658 states and 811 transitions. Second operand has 6 states, 6 states have (on average 9.0) 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 02:22:41,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:41,445 INFO L93 Difference]: Finished difference Result 2567 states and 3159 transitions. [2021-11-07 02:22:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 02:22:41,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) 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 54 [2021-11-07 02:22:41,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:41,459 INFO L225 Difference]: With dead ends: 2567 [2021-11-07 02:22:41,459 INFO L226 Difference]: Without dead ends: 2003 [2021-11-07 02:22:41,461 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 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 02:22:41,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2021-11-07 02:22:41,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 842. [2021-11-07 02:22:41,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 1.224732461355529) internal successors, (1030), 841 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1030 transitions. [2021-11-07 02:22:41,622 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1030 transitions. Word has length 54 [2021-11-07 02:22:41,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:41,623 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1030 transitions. [2021-11-07 02:22:41,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) 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 02:22:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1030 transitions. [2021-11-07 02:22:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:22:41,634 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:41,634 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] [2021-11-07 02:22:41,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-07 02:22:41,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:41,849 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 02:22:41,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:41,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1986224888, now seen corresponding path program 1 times [2021-11-07 02:22:41,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:41,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636835343] [2021-11-07 02:22:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:41,850 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:41,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:41,851 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:41,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 02:22:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:42,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:22:42,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 02:22:42,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 02:22:42,537 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:42,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636835343] [2021-11-07 02:22:42,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636835343] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:42,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:42,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 02:22:42,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532803800] [2021-11-07 02:22:42,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:22:42,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:42,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:22:42,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:42,540 INFO L87 Difference]: Start difference. First operand 842 states and 1030 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:43,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:43,167 INFO L93 Difference]: Finished difference Result 3214 states and 3960 transitions. [2021-11-07 02:22:43,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 02:22:43,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 02:22:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:43,181 INFO L225 Difference]: With dead ends: 3214 [2021-11-07 02:22:43,181 INFO L226 Difference]: Without dead ends: 2466 [2021-11-07 02:22:43,183 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-11-07 02:22:43,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2021-11-07 02:22:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 842. [2021-11-07 02:22:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 1.2187871581450653) internal successors, (1025), 841 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1025 transitions. [2021-11-07 02:22:43,384 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1025 transitions. Word has length 54 [2021-11-07 02:22:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:43,385 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1025 transitions. [2021-11-07 02:22:43,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1025 transitions. [2021-11-07 02:22:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 02:22:43,387 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:43,387 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, 1, 1] [2021-11-07 02:22:43,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:43,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:43,605 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 02:22:43,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:43,606 INFO L85 PathProgramCache]: Analyzing trace with hash 878160548, now seen corresponding path program 1 times [2021-11-07 02:22:43,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:43,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679674306] [2021-11-07 02:22:43,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:43,607 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:43,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:43,608 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:43,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 02:22:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:44,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:22:44,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:44,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:44,655 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:44,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679674306] [2021-11-07 02:22:44,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679674306] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:44,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1633109911] [2021-11-07 02:22:44,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:44,656 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:22:44,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:22:44,657 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:22:44,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-07 02:22:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:45,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:22:45,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 02:22:45,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 02:22:45,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1633109911] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:45,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:22:45,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-11-07 02:22:45,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53886012] [2021-11-07 02:22:45,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:45,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:45,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:45,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:22:45,588 INFO L87 Difference]: Start difference. First operand 842 states and 1025 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 02:22:46,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:46,136 INFO L93 Difference]: Finished difference Result 2947 states and 3625 transitions. [2021-11-07 02:22:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:22:46,137 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 02:22:46,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:46,149 INFO L225 Difference]: With dead ends: 2947 [2021-11-07 02:22:46,150 INFO L226 Difference]: Without dead ends: 2199 [2021-11-07 02:22:46,154 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 02:22:46,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2021-11-07 02:22:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 869. [2021-11-07 02:22:46,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 868 states have (on average 1.2119815668202765) internal successors, (1052), 868 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:46,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1052 transitions. [2021-11-07 02:22:46,391 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1052 transitions. Word has length 60 [2021-11-07 02:22:46,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:46,391 INFO L470 AbstractCegarLoop]: Abstraction has 869 states and 1052 transitions. [2021-11-07 02:22:46,392 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 02:22:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1052 transitions. [2021-11-07 02:22:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 02:22:46,393 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:46,393 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, 1, 1] [2021-11-07 02:22:46,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:46,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:46,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:46,797 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 02:22:46,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:46,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1136325986, now seen corresponding path program 1 times [2021-11-07 02:22:46,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:46,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577984232] [2021-11-07 02:22:46,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:46,798 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:46,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:46,799 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:46,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 02:22:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:47,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:22:47,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:47,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:47,764 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:47,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577984232] [2021-11-07 02:22:47,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577984232] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:47,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [449008567] [2021-11-07 02:22:47,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:47,764 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:22:47,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:22:47,766 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:22:47,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-07 02:22:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:48,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:22:48,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:48,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:48,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [449008567] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:48,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928769668] [2021-11-07 02:22:48,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:48,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:22:48,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:22:48,908 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:22:48,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 02:22:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:49,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:22:49,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:49,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:49,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928769668] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:49,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 02:22:49,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-11-07 02:22:49,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034087536] [2021-11-07 02:22:49,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 02:22:49,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:49,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 02:22:49,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:22:49,949 INFO L87 Difference]: Start difference. First operand 869 states and 1052 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:53,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:53,029 INFO L93 Difference]: Finished difference Result 5628 states and 6888 transitions. [2021-11-07 02:22:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 02:22:53,030 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 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 02:22:53,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:53,058 INFO L225 Difference]: With dead ends: 5628 [2021-11-07 02:22:53,059 INFO L226 Difference]: Without dead ends: 4853 [2021-11-07 02:22:53,061 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2021-11-07 02:22:53,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2021-11-07 02:22:53,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 1064. [2021-11-07 02:22:53,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1063 states have (on average 1.2229539040451551) internal successors, (1300), 1063 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1300 transitions. [2021-11-07 02:22:53,355 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1300 transitions. Word has length 60 [2021-11-07 02:22:53,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:53,356 INFO L470 AbstractCegarLoop]: Abstraction has 1064 states and 1300 transitions. [2021-11-07 02:22:53,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1300 transitions. [2021-11-07 02:22:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 02:22:53,359 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:53,359 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 02:22:53,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:53,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:53,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:53,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:22:53,963 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 02:22:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:53,964 INFO L85 PathProgramCache]: Analyzing trace with hash -972271842, now seen corresponding path program 1 times [2021-11-07 02:22:53,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:53,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370438878] [2021-11-07 02:22:53,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:53,965 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:53,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:53,966 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:53,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 02:22:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:54,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:22:54,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-07 02:22:54,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-07 02:22:55,062 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:55,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370438878] [2021-11-07 02:22:55,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370438878] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:55,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:55,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:22:55,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796284962] [2021-11-07 02:22:55,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:22:55,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:55,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:22:55,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:55,064 INFO L87 Difference]: Start difference. First operand 1064 states and 1300 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:55,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:55,262 INFO L93 Difference]: Finished difference Result 2271 states and 2783 transitions. [2021-11-07 02:22:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:22:55,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 109 [2021-11-07 02:22:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:55,269 INFO L225 Difference]: With dead ends: 2271 [2021-11-07 02:22:55,270 INFO L226 Difference]: Without dead ends: 1213 [2021-11-07 02:22:55,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 213 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 02:22:55,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-11-07 02:22:55,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1014. [2021-11-07 02:22:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1013 states have (on average 1.2201382033563672) internal successors, (1236), 1013 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1236 transitions. [2021-11-07 02:22:55,475 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1236 transitions. Word has length 109 [2021-11-07 02:22:55,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:55,475 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1236 transitions. [2021-11-07 02:22:55,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1236 transitions. [2021-11-07 02:22:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-07 02:22:55,480 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:55,480 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-07 02:22:55,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:55,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:55,693 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 02:22:55,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:55,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1567211294, now seen corresponding path program 1 times [2021-11-07 02:22:55,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:55,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630710057] [2021-11-07 02:22:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:55,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:55,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:55,696 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:55,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-07 02:22:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:56,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:22:56,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-07 02:22:56,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-07 02:22:57,051 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:57,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630710057] [2021-11-07 02:22:57,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630710057] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:57,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:57,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 02:22:57,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455660839] [2021-11-07 02:22:57,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 02:22:57,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:57,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 02:22:57,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:22:57,054 INFO L87 Difference]: Start difference. First operand 1014 states and 1236 transitions. Second operand has 10 states, 10 states have (on average 10.6) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:59,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:59,092 INFO L93 Difference]: Finished difference Result 3063 states and 3718 transitions. [2021-11-07 02:22:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 02:22:59,093 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 10 states have internal predecessors, (106), 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 135 [2021-11-07 02:22:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:59,102 INFO L225 Difference]: With dead ends: 3063 [2021-11-07 02:22:59,102 INFO L226 Difference]: Without dead ends: 2055 [2021-11-07 02:22:59,104 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-11-07 02:22:59,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2021-11-07 02:22:59,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 900. [2021-11-07 02:22:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 899 states have (on average 1.2113459399332591) internal successors, (1089), 899 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:59,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1089 transitions. [2021-11-07 02:22:59,299 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1089 transitions. Word has length 135 [2021-11-07 02:22:59,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:59,299 INFO L470 AbstractCegarLoop]: Abstraction has 900 states and 1089 transitions. [2021-11-07 02:22:59,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:59,300 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1089 transitions. [2021-11-07 02:22:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-07 02:22:59,303 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:59,303 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:59,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:59,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:59,522 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 02:22:59,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:59,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1796867883, now seen corresponding path program 1 times [2021-11-07 02:22:59,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:59,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712203473] [2021-11-07 02:22:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:59,523 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:59,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:59,524 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:59,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-07 02:23:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:23:00,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:23:00,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:23:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-07 02:23:00,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:23:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-07 02:23:01,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:23:01,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712203473] [2021-11-07 02:23:01,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1712203473] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:23:01,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1379645537] [2021-11-07 02:23:01,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:23:01,079 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:23:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:23:01,079 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:23:01,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-11-07 02:23:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:23:02,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 02:23:02,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:23:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:23:02,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:23:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:23:03,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1379645537] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:23:03,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312528954] [2021-11-07 02:23:03,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:23:03,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:23:03,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:23:03,215 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:23:03,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-07 02:23:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:23:04,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 02:23:04,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:23:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:23:04,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:23:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:23:05,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312528954] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 02:23:05,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-11-07 02:23:05,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2021-11-07 02:23:05,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570418358] [2021-11-07 02:23:05,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:23:05,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:23:05,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:23:05,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-11-07 02:23:05,014 INFO L87 Difference]: Start difference. First operand 900 states and 1089 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:23:09,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:23:09,421 INFO L93 Difference]: Finished difference Result 3817 states and 4660 transitions. [2021-11-07 02:23:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 02:23:09,422 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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 141 [2021-11-07 02:23:09,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:23:09,434 INFO L225 Difference]: With dead ends: 3817 [2021-11-07 02:23:09,434 INFO L226 Difference]: Without dead ends: 2923 [2021-11-07 02:23:09,436 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 02:23:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2021-11-07 02:23:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 1018. [2021-11-07 02:23:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 1017 states have (on average 1.2114060963618485) internal successors, (1232), 1017 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:23:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1232 transitions. [2021-11-07 02:23:09,650 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1232 transitions. Word has length 141 [2021-11-07 02:23:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:23:09,651 INFO L470 AbstractCegarLoop]: Abstraction has 1018 states and 1232 transitions. [2021-11-07 02:23:09,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:23:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1232 transitions. [2021-11-07 02:23:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-07 02:23:09,655 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:23:09,656 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:23:09,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-07 02:23:09,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-07 02:23:10,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2021-11-07 02:23:10,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:23:10,270 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:23:10,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:23:10,270 INFO L85 PathProgramCache]: Analyzing trace with hash -932008273, now seen corresponding path program 2 times [2021-11-07 02:23:10,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:23:10,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54999731] [2021-11-07 02:23:10,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 02:23:10,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:23:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:23:10,272 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:23:10,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-07 02:23:12,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 02:23:12,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:23:12,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:23:12,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:23:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-07 02:23:13,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:23:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-07 02:23:13,405 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:23:13,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54999731] [2021-11-07 02:23:13,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54999731] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:23:13,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:23:13,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:23:13,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280340763] [2021-11-07 02:23:13,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:23:13,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:23:13,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:23:13,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:23:13,407 INFO L87 Difference]: Start difference. First operand 1018 states and 1232 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:23:13,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:23:13,502 INFO L93 Difference]: Finished difference Result 1329 states and 1599 transitions. [2021-11-07 02:23:13,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:23:13,503 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 141 [2021-11-07 02:23:13,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:23:13,503 INFO L225 Difference]: With dead ends: 1329 [2021-11-07 02:23:13,503 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:23:13,505 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 276 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 02:23:13,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:23:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:23:13,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:23:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:23:13,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2021-11-07 02:23:13,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:23:13,506 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:23:13,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:23:13,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:23:13,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:23:13,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:23:13,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:23:13,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:23:13,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-07 02:23:13,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:23:13,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:23:13,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:13,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:13,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:13,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:13,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:13,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:13,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:13,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:14,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:14,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:14,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:14,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:14,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:14,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:15,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:15,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:15,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:15,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:15,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:15,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:16,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:17,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:17,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:17,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:17,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:17,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:17,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:18,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:19,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:19,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:19,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:19,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:20,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:23:41,530 INFO L853 garLoopResultBuilder]: At program point L101-4(lines 96 104) the Hoare annotation is: false [2021-11-07 02:23:41,530 INFO L853 garLoopResultBuilder]: At program point L101-5(lines 96 104) the Hoare annotation is: false [2021-11-07 02:23:41,531 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2021-11-07 02:23:41,531 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-11-07 02:23:41,531 INFO L853 garLoopResultBuilder]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse1 .cse2 .cse3 .cse12 .cse5 .cse6) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse12) (and .cse0 .cse10 .cse13 .cse2 .cse3 .cse7) (and .cse0 .cse10 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse13 .cse2 .cse3 .cse4 .cse7))) [2021-11-07 02:23:41,531 INFO L857 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-11-07 02:23:41,531 INFO L857 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-11-07 02:23:41,532 INFO L857 garLoopResultBuilder]: For program point L267-2(line 267) no Hoare annotation was computed. [2021-11-07 02:23:41,532 INFO L853 garLoopResultBuilder]: At program point L996(lines 981 999) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~8 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) [2021-11-07 02:23:41,532 INFO L853 garLoopResultBuilder]: At program point L996-1(lines 981 999) the Hoare annotation is: false [2021-11-07 02:23:41,532 INFO L853 garLoopResultBuilder]: At program point L996-2(lines 981 999) the Hoare annotation is: false [2021-11-07 02:23:41,533 INFO L853 garLoopResultBuilder]: At program point L996-3(lines 981 999) the Hoare annotation is: false [2021-11-07 02:23:41,533 INFO L853 garLoopResultBuilder]: At program point L996-4(lines 981 999) the Hoare annotation is: false [2021-11-07 02:23:41,533 INFO L853 garLoopResultBuilder]: At program point L996-5(lines 981 999) the Hoare annotation is: false [2021-11-07 02:23:41,533 INFO L853 garLoopResultBuilder]: At program point L337(lines 332 340) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:23:41,533 INFO L853 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2021-11-07 02:23:41,533 INFO L853 garLoopResultBuilder]: At program point L173-2(lines 173 187) the Hoare annotation is: false [2021-11-07 02:23:41,534 INFO L857 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-11-07 02:23:41,534 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,534 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,534 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,534 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,534 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,534 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,535 INFO L857 garLoopResultBuilder]: For program point L141-6(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,535 INFO L857 garLoopResultBuilder]: For program point L141-7(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,535 INFO L857 garLoopResultBuilder]: For program point L141-8(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,535 INFO L857 garLoopResultBuilder]: For program point L141-9(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,535 INFO L857 garLoopResultBuilder]: For program point L141-10(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,536 INFO L857 garLoopResultBuilder]: For program point L141-11(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:23:41,536 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-11-07 02:23:41,536 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-11-07 02:23:41,536 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 886) no Hoare annotation was computed. [2021-11-07 02:23:41,536 INFO L857 garLoopResultBuilder]: For program point L869-1(lines 869 886) no Hoare annotation was computed. [2021-11-07 02:23:41,537 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 886) no Hoare annotation was computed. [2021-11-07 02:23:41,537 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2021-11-07 02:23:41,537 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 785 791) no Hoare annotation was computed. [2021-11-07 02:23:41,537 INFO L857 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2021-11-07 02:23:41,537 INFO L853 garLoopResultBuilder]: At program point L739-1(lines 739 745) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse5 .cse6 .cse7) (and .cse1 .cse3 .cse5 .cse6 .cse8 .cse10) (and .cse1 .cse5 .cse6 .cse11 .cse8 .cse10) (and .cse1 .cse3 .cse9 .cse5 .cse6 .cse10) (and .cse1 .cse9 .cse5 .cse6 .cse11 .cse10))) [2021-11-07 02:23:41,538 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,538 INFO L857 garLoopResultBuilder]: For program point L971-2(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,538 INFO L857 garLoopResultBuilder]: For program point L971-3(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,538 INFO L857 garLoopResultBuilder]: For program point L971-5(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,538 INFO L857 garLoopResultBuilder]: For program point L971-6(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,539 INFO L857 garLoopResultBuilder]: For program point L971-8(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,539 INFO L857 garLoopResultBuilder]: For program point L971-9(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,539 INFO L857 garLoopResultBuilder]: For program point L971-11(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,539 INFO L857 garLoopResultBuilder]: For program point L971-12(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,539 INFO L857 garLoopResultBuilder]: For program point L971-14(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,539 INFO L857 garLoopResultBuilder]: For program point L971-15(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,540 INFO L857 garLoopResultBuilder]: For program point L971-17(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,540 INFO L857 garLoopResultBuilder]: For program point L971-18(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,540 INFO L857 garLoopResultBuilder]: For program point L971-20(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,540 INFO L857 garLoopResultBuilder]: For program point L971-21(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,540 INFO L857 garLoopResultBuilder]: For program point L971-23(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,541 INFO L857 garLoopResultBuilder]: For program point L971-24(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,541 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,541 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,541 INFO L857 garLoopResultBuilder]: For program point L971-26(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,541 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,541 INFO L857 garLoopResultBuilder]: For program point L971-27(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,541 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse9 .cse6) (and .cse0 .cse8 .cse3 .cse4 .cse9 .cse7 .cse6))) [2021-11-07 02:23:41,541 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,542 INFO L857 garLoopResultBuilder]: For program point L971-29(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,542 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,542 INFO L857 garLoopResultBuilder]: For program point L971-30(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,542 INFO L853 garLoopResultBuilder]: At program point L146-6(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,542 INFO L853 garLoopResultBuilder]: At program point L146-7(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,543 INFO L857 garLoopResultBuilder]: For program point L971-32(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,543 INFO L853 garLoopResultBuilder]: At program point L146-8(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,543 INFO L857 garLoopResultBuilder]: For program point L971-33(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,543 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 881) no Hoare annotation was computed. [2021-11-07 02:23:41,543 INFO L853 garLoopResultBuilder]: At program point L146-9(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,543 INFO L857 garLoopResultBuilder]: For program point L873-1(lines 873 881) no Hoare annotation was computed. [2021-11-07 02:23:41,543 INFO L853 garLoopResultBuilder]: At program point L146-10(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,543 INFO L857 garLoopResultBuilder]: For program point L971-35(lines 971 975) no Hoare annotation was computed. [2021-11-07 02:23:41,543 INFO L857 garLoopResultBuilder]: For program point L873-2(lines 873 881) no Hoare annotation was computed. [2021-11-07 02:23:41,543 INFO L853 garLoopResultBuilder]: At program point L146-11(lines 137 150) the Hoare annotation is: false [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L843-1(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L843-2(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L843-3(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L843-4(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L843-5(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 302) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 256) no Hoare annotation was computed. [2021-11-07 02:23:41,544 INFO L857 garLoopResultBuilder]: For program point L282-2(lines 282 302) no Hoare annotation was computed. [2021-11-07 02:23:41,545 INFO L860 garLoopResultBuilder]: At program point L249-1(lines 249 256) the Hoare annotation is: true [2021-11-07 02:23:41,545 INFO L857 garLoopResultBuilder]: For program point L282-4(lines 282 302) no Hoare annotation was computed. [2021-11-07 02:23:41,545 INFO L853 garLoopResultBuilder]: At program point L977(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,545 INFO L853 garLoopResultBuilder]: At program point L977-1(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,545 INFO L853 garLoopResultBuilder]: At program point L977-2(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,546 INFO L853 garLoopResultBuilder]: At program point L977-3(lines 962 980) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= ~waterLevel~0 (_ bv2 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse11 .cse1 .cse12 .cse13 .cse10 .cse3 .cse4 .cse14 .cse15 .cse9) (and .cse11 .cse1 .cse12 .cse13 .cse3 .cse4 .cse14 .cse15 .cse7 .cse9))) [2021-11-07 02:23:41,546 INFO L853 garLoopResultBuilder]: At program point L977-4(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,546 INFO L853 garLoopResultBuilder]: At program point L977-5(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,546 INFO L853 garLoopResultBuilder]: At program point L977-6(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,547 INFO L853 garLoopResultBuilder]: At program point L977-7(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,547 INFO L853 garLoopResultBuilder]: At program point L977-8(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,547 INFO L853 garLoopResultBuilder]: At program point L977-9(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,547 INFO L853 garLoopResultBuilder]: At program point L977-10(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,547 INFO L853 garLoopResultBuilder]: At program point L977-11(lines 962 980) the Hoare annotation is: false [2021-11-07 02:23:41,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:23:41,548 INFO L853 garLoopResultBuilder]: At program point L913(lines 906 916) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-11-07 02:23:41,548 INFO L853 garLoopResultBuilder]: At program point L913-1(lines 906 916) the Hoare annotation is: false [2021-11-07 02:23:41,548 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2021-11-07 02:23:41,548 INFO L853 garLoopResultBuilder]: At program point L913-2(lines 906 916) the Hoare annotation is: false [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L847-1(lines 847 855) no Hoare annotation was computed. [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 855) no Hoare annotation was computed. [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L847-3(lines 847 855) no Hoare annotation was computed. [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 855) no Hoare annotation was computed. [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L847-5(lines 847 855) no Hoare annotation was computed. [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2021-11-07 02:23:41,549 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2021-11-07 02:23:41,550 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 1 1007) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse1 .cse2 .cse3 .cse12 .cse5 .cse6) (and .cse8 .cse0 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse9 .cse10 .cse11 .cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse12 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse13 .cse2 .cse3 .cse4 .cse7))) [2021-11-07 02:23:41,550 INFO L853 garLoopResultBuilder]: At program point L222(lines 218 224) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:23:41,550 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 301) no Hoare annotation was computed. [2021-11-07 02:23:41,550 INFO L853 garLoopResultBuilder]: At program point L288-3(lines 1 1007) the Hoare annotation is: false [2021-11-07 02:23:41,551 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~8 (_ bv0 32))) [2021-11-07 02:23:41,551 INFO L857 garLoopResultBuilder]: For program point L288-4(lines 288 301) no Hoare annotation was computed. [2021-11-07 02:23:41,551 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-11-07 02:23:41,551 INFO L853 garLoopResultBuilder]: At program point L288-5(lines 1 1007) the Hoare annotation is: false [2021-11-07 02:23:41,551 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-11-07 02:23:41,551 INFO L853 garLoopResultBuilder]: At program point L156-3(lines 151 159) the Hoare annotation is: false [2021-11-07 02:23:41,551 INFO L853 garLoopResultBuilder]: At program point L156-4(lines 151 159) the Hoare annotation is: false [2021-11-07 02:23:41,551 INFO L853 garLoopResultBuilder]: At program point L156-5(lines 151 159) the Hoare annotation is: false [2021-11-07 02:23:41,552 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,552 INFO L857 garLoopResultBuilder]: For program point L817-1(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,552 INFO L857 garLoopResultBuilder]: For program point L817-2(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,552 INFO L857 garLoopResultBuilder]: For program point L817-3(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,552 INFO L857 garLoopResultBuilder]: For program point L817-4(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,552 INFO L857 garLoopResultBuilder]: For program point L817-5(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,553 INFO L857 garLoopResultBuilder]: For program point L817-6(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,553 INFO L857 garLoopResultBuilder]: For program point L817-7(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,553 INFO L857 garLoopResultBuilder]: For program point L817-8(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,553 INFO L857 garLoopResultBuilder]: For program point L817-9(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,553 INFO L857 garLoopResultBuilder]: For program point L817-10(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,554 INFO L857 garLoopResultBuilder]: For program point L817-11(lines 817 834) no Hoare annotation was computed. [2021-11-07 02:23:41,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:23:41,554 INFO L853 garLoopResultBuilder]: At program point L785(lines 784 803) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and .cse8 .cse0 .cse9 .cse10 .cse2 .cse3 .cse6 .cse11 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse6 .cse5) (and .cse8 .cse0 .cse9 .cse10 .cse7 .cse2 .cse3 .cse6 .cse11))) [2021-11-07 02:23:41,554 INFO L857 garLoopResultBuilder]: For program point L785-1(lines 785 791) no Hoare annotation was computed. [2021-11-07 02:23:41,554 INFO L853 garLoopResultBuilder]: At program point L785-2(lines 784 803) the Hoare annotation is: false [2021-11-07 02:23:41,555 INFO L853 garLoopResultBuilder]: At program point L785-3(lines 784 803) the Hoare annotation is: false [2021-11-07 02:23:41,555 INFO L857 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2021-11-07 02:23:41,555 INFO L860 garLoopResultBuilder]: At program point L258(lines 239 261) the Hoare annotation is: true [2021-11-07 02:23:41,555 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2021-11-07 02:23:41,555 INFO L857 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2021-11-07 02:23:41,556 INFO L857 garLoopResultBuilder]: For program point L292-2(lines 292 298) no Hoare annotation was computed. [2021-11-07 02:23:41,556 INFO L857 garLoopResultBuilder]: For program point L292-4(lines 292 298) no Hoare annotation was computed. [2021-11-07 02:23:41,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:23:41,556 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,556 INFO L857 garLoopResultBuilder]: For program point L821-1(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,556 INFO L857 garLoopResultBuilder]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,557 INFO L857 garLoopResultBuilder]: For program point L821-3(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,557 INFO L857 garLoopResultBuilder]: For program point L821-4(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,557 INFO L857 garLoopResultBuilder]: For program point L821-5(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,557 INFO L857 garLoopResultBuilder]: For program point L821-6(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,557 INFO L857 garLoopResultBuilder]: For program point L821-7(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,558 INFO L857 garLoopResultBuilder]: For program point L821-8(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,558 INFO L857 garLoopResultBuilder]: For program point L821-9(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,558 INFO L857 garLoopResultBuilder]: For program point L821-10(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,558 INFO L857 garLoopResultBuilder]: For program point L821-11(lines 821 829) no Hoare annotation was computed. [2021-11-07 02:23:41,558 INFO L853 garLoopResultBuilder]: At program point L922(lines 917 925) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 02:23:41,559 INFO L853 garLoopResultBuilder]: At program point L922-1(lines 917 925) the Hoare annotation is: false [2021-11-07 02:23:41,559 INFO L853 garLoopResultBuilder]: At program point L922-2(lines 917 925) the Hoare annotation is: false [2021-11-07 02:23:41,559 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2021-11-07 02:23:41,559 INFO L853 garLoopResultBuilder]: At program point L757-2(lines 785 791) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse5 .cse6 .cse7) (and .cse1 .cse3 .cse5 .cse6 .cse8 .cse10) (and .cse1 .cse5 .cse6 .cse11 .cse8 .cse10) (and .cse1 .cse3 .cse9 .cse5 .cse6 .cse10) (and .cse1 .cse9 .cse5 .cse6 .cse11 .cse10))) [2021-11-07 02:23:41,559 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-11-07 02:23:41,560 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-11-07 02:23:41,560 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-11-07 02:23:41,560 INFO L853 garLoopResultBuilder]: At program point L329(lines 1 1007) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:23:41,560 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:23:41,560 INFO L857 garLoopResultBuilder]: For program point L990(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,561 INFO L857 garLoopResultBuilder]: For program point L990-2(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,561 INFO L857 garLoopResultBuilder]: For program point L990-3(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,561 INFO L857 garLoopResultBuilder]: For program point L990-5(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,561 INFO L853 garLoopResultBuilder]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse5 .cse6 .cse7) (and .cse1 .cse5 .cse6 .cse10 .cse8 .cse11) (and .cse1 .cse9 .cse5 .cse6 .cse10 .cse11))) [2021-11-07 02:23:41,561 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-11-07 02:23:41,562 INFO L857 garLoopResultBuilder]: For program point L990-6(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,562 INFO L853 garLoopResultBuilder]: At program point L792-1(lines 792 798) the Hoare annotation is: false [2021-11-07 02:23:41,562 INFO L857 garLoopResultBuilder]: For program point L990-8(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,562 INFO L853 garLoopResultBuilder]: At program point L792-2(lines 792 798) the Hoare annotation is: false [2021-11-07 02:23:41,562 INFO L857 garLoopResultBuilder]: For program point L990-9(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,563 INFO L857 garLoopResultBuilder]: For program point L990-11(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,563 INFO L857 garLoopResultBuilder]: For program point L990-12(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,563 INFO L857 garLoopResultBuilder]: For program point L990-14(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,563 INFO L857 garLoopResultBuilder]: For program point L990-15(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,563 INFO L857 garLoopResultBuilder]: For program point L990-17(lines 990 994) no Hoare annotation was computed. [2021-11-07 02:23:41,564 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-11-07 02:23:41,564 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-11-07 02:23:41,564 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-11-07 02:23:41,564 INFO L853 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7))) [2021-11-07 02:23:41,565 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 96 104) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse8 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse6 .cse8 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse8 .cse9 .cse11 .cse12) (and .cse1 .cse5 .cse6 .cse7 .cse8 .cse10 .cse13))) [2021-11-07 02:23:41,565 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 96 104) the Hoare annotation is: false [2021-11-07 02:23:41,565 INFO L853 garLoopResultBuilder]: At program point L101-3(lines 96 104) the Hoare annotation is: false [2021-11-07 02:23:41,569 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:23:41,571 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:23:41,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:23:41 BoogieIcfgContainer [2021-11-07 02:23:41,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:23:41,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:23:41,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:23:41,620 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:23:41,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:22:16" (3/4) ... [2021-11-07 02:23:41,624 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:23:41,652 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 02:23:41,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 02:23:41,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 02:23:41,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 02:23:41,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:23:41,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:23:41,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:23:41,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 02:23:41,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 02:23:41,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-11-07 02:23:41,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-11-07 02:23:41,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-11-07 02:23:41,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) [2021-11-07 02:23:41,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || (((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:23:41,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 1bv32 == \result [2021-11-07 02:23:41,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 1bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32 [2021-11-07 02:23:41,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 1bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) && tmp == 0bv32 [2021-11-07 02:23:41,821 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:23:41,821 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:23:41,823 INFO L168 Benchmark]: Toolchain (without parser) took 89097.93 ms. Allocated memory was 60.8 MB in the beginning and 490.7 MB in the end (delta: 429.9 MB). Free memory was 38.3 MB in the beginning and 185.0 MB in the end (delta: -146.7 MB). Peak memory consumption was 284.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:41,838 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:23:41,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.82 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.1 MB in the beginning and 41.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:41,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.67 ms. Allocated memory is still 73.4 MB. Free memory was 41.6 MB in the beginning and 37.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:41,840 INFO L168 Benchmark]: Boogie Preprocessor took 116.27 ms. Allocated memory is still 73.4 MB. Free memory was 37.0 MB in the beginning and 52.5 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:41,841 INFO L168 Benchmark]: RCFGBuilder took 3129.67 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 52.3 MB in the beginning and 67.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:41,841 INFO L168 Benchmark]: TraceAbstraction took 84741.66 ms. Allocated memory was 92.3 MB in the beginning and 490.7 MB in the end (delta: 398.5 MB). Free memory was 66.8 MB in the beginning and 200.7 MB in the end (delta: -134.0 MB). Peak memory consumption was 319.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:41,842 INFO L168 Benchmark]: Witness Printer took 201.30 ms. Allocated memory is still 490.7 MB. Free memory was 200.7 MB in the beginning and 185.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:41,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.82 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.1 MB in the beginning and 41.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.67 ms. Allocated memory is still 73.4 MB. Free memory was 41.6 MB in the beginning and 37.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 116.27 ms. Allocated memory is still 73.4 MB. Free memory was 37.0 MB in the beginning and 52.5 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3129.67 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 52.3 MB in the beginning and 67.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 84741.66 ms. Allocated memory was 92.3 MB in the beginning and 490.7 MB in the end (delta: 398.5 MB). Free memory was 66.8 MB in the beginning and 200.7 MB in the end (delta: -134.0 MB). Peak memory consumption was 319.7 MB. Max. memory is 16.1 GB. * Witness Printer took 201.30 ms. Allocated memory is still 490.7 MB. Free memory was 200.7 MB in the beginning and 185.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: 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, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 84.5s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2825 SDtfs, 6524 SDslu, 7894 SDs, 0 SdLazy, 1180 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3531 GetRequests, 3341 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=16, InterpolantAutomatonStates: 172, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 13769 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 70 PreInvPairs, 194 NumberOfFragments, 1518 HoareAnnotationTreeSize, 70 FomulaSimplifications, 10384498660 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 70 FomulaSimplificationsInter, 343043405 FormulaSimplificationTreeSizeReductionInter, 21.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 1735 NumberOfCodeBlocks, 1735 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3416 ConstructedInterpolants, 0 QuantifiedInterpolants, 7033 SizeOfPredicates, 76 NumberOfNonLiveVariables, 7037 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 54 InterpolantComputations, 35 PerfectInterpolantSequences, 2216/2720 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: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: ((((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 1bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 1bv32 == \result - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 1bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || (((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 02:23:41,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d2feda-b378-4719-ae56-cf03234e9f2e/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