./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:58:58,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:58:58,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:58:58,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:58:58,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:58:58,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:58:58,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:58:58,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:58:58,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:58:58,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:58:58,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:58:58,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:58:58,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:58:58,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:58:58,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:58:58,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:58:58,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:58:58,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:58:58,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:58:58,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:58:58,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:58:58,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:58:58,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:58:58,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:58:58,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:58:58,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:58:58,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:58:58,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:58:58,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:58:58,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:58:58,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:58:58,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:58:58,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:58:58,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:58:58,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:58:58,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:58:58,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:58:58,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:58:58,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:58:58,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:58:58,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:58:58,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:58:58,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:58:58,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:58:58,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:58:58,869 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:58:58,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:58:58,869 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:58:58,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:58:58,870 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:58:58,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:58:58,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:58:58,877 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:58:58,878 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:58:58,878 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:58:58,878 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:58:58,878 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:58:58,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:58:58,879 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:58:58,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:58:58,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:58:58,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:58:58,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:58:58,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:58:58,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:58:58,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:58:58,881 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:58:58,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:58:58,881 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:58:58,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:58:58,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:58:58,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:58:58,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:58:58,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:58:58,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:58:58,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:58:58,883 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:58:58,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:58:58,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:58:58,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:58:58,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:58:58,884 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_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2021-10-24 10:58:59,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:58:59,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:58:59,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:58:59,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:58:59,251 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:58:59,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-24 10:58:59,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/6c4e9ffa7/d09c6bb341b44eebabcc533e4bd60379/FLAG9bb8b3eb4 [2021-10-24 10:58:59,942 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:58:59,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-24 10:58:59,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/6c4e9ffa7/d09c6bb341b44eebabcc533e4bd60379/FLAG9bb8b3eb4 [2021-10-24 10:59:00,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/6c4e9ffa7/d09c6bb341b44eebabcc533e4bd60379 [2021-10-24 10:59:00,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:59:00,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:59:00,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:59:00,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:59:00,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:59:00,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:59:00" (1/1) ... [2021-10-24 10:59:00,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355e8b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:00, skipping insertion in model container [2021-10-24 10:59:00,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:59:00" (1/1) ... [2021-10-24 10:59:00,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:59:00,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:59:00,650 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_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-24 10:59:00,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:59:00,711 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:59:00,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f702a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:00, skipping insertion in model container [2021-10-24 10:59:00,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:59:00,713 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:59:00,720 INFO L168 Benchmark]: Toolchain (without parser) took 470.47 ms. Allocated memory is still 138.4 MB. Free memory was 103.7 MB in the beginning and 109.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:59:00,722 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory was 46.2 MB in the beginning and 46.1 MB in the end (delta: 45.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:59:00,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.24 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 109.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:59:00,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory was 46.2 MB in the beginning and 46.1 MB in the end (delta: 45.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 467.24 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 109.9 MB in the end (delta: -6.5 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: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:59:03,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:59:03,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:59:03,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:59:03,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:59:03,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:59:03,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:59:03,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:59:03,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:59:03,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:59:03,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:59:03,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:59:03,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:59:03,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:59:03,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:59:03,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:59:03,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:59:03,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:59:03,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:59:03,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:59:03,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:59:03,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:59:03,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:59:03,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:59:03,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:59:03,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:59:03,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:59:03,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:59:03,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:59:03,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:59:03,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:59:03,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:59:03,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:59:03,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:59:03,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:59:03,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:59:03,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:59:03,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:59:03,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:59:03,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:59:03,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:59:03,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:59:03,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:59:03,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:59:03,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:59:03,497 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:59:03,498 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:59:03,498 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:59:03,498 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:59:03,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:59:03,499 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:59:03,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:59:03,502 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:59:03,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:59:03,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:59:03,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:59:03,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:59:03,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:59:03,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:59:03,504 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:59:03,504 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:59:03,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:59:03,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:59:03,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:59:03,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:59:03,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:59:03,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:59:03,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:59:03,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:59:03,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:59:03,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:59:03,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:59:03,507 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:59:03,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:59:03,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:59:03,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:59:03,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:59:03,509 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_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2021-10-24 10:59:03,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:59:03,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:59:03,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:59:03,952 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:59:03,953 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:59:03,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-24 10:59:04,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/16b564267/b23f1fd621a7436ca74b1e4368cfd0e0/FLAGd00f301af [2021-10-24 10:59:04,729 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:59:04,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-24 10:59:04,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/16b564267/b23f1fd621a7436ca74b1e4368cfd0e0/FLAGd00f301af [2021-10-24 10:59:05,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/data/16b564267/b23f1fd621a7436ca74b1e4368cfd0e0 [2021-10-24 10:59:05,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:59:05,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:59:05,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:59:05,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:59:05,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:59:05,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd5a0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05, skipping insertion in model container [2021-10-24 10:59:05,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:59:05,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:59:05,400 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_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-24 10:59:05,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:59:05,474 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:59:05,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:59:05,601 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_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-24 10:59:05,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:59:05,655 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:59:05,759 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_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-24 10:59:05,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:59:05,797 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:59:05,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05 WrapperNode [2021-10-24 10:59:05,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:59:05,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:59:05,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:59:05,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:59:05,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:59:05,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:59:05,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:59:05,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:59:05,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:05,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:06,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:06,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:59:06,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:59:06,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:59:06,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:59:06,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (1/1) ... [2021-10-24 10:59:06,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:59:06,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:59:06,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:59:06,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:59:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:59:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:59:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:59:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:59:08,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:59:08,672 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-24 10:59:08,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:59:08 BoogieIcfgContainer [2021-10-24 10:59:08,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:59:08,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:59:08,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:59:08,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:59:08,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:59:05" (1/3) ... [2021-10-24 10:59:08,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4ecfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:59:08, skipping insertion in model container [2021-10-24 10:59:08,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:59:05" (2/3) ... [2021-10-24 10:59:08,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4ecfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:59:08, skipping insertion in model container [2021-10-24 10:59:08,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:59:08" (3/3) ... [2021-10-24 10:59:08,686 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2021-10-24 10:59:08,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:59:08,693 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:59:08,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:59:08,778 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:59:08,778 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:59:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:59:08,829 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:08,830 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:08,831 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:08,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:08,840 INFO L82 PathProgramCache]: Analyzing trace with hash -38817959, now seen corresponding path program 1 times [2021-10-24 10:59:08,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:08,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157329366] [2021-10-24 10:59:08,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:08,860 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:08,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:08,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:08,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:59:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:09,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:59:09,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:09,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:09,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:09,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157329366] [2021-10-24 10:59:09,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157329366] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:09,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:09,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:59:09,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736334579] [2021-10-24 10:59:09,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:59:09,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:09,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:59:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:59:09,298 INFO L87 Difference]: Start difference. First operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:09,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:09,371 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2021-10-24 10:59:09,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:59:09,372 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:59:09,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:09,385 INFO L225 Difference]: With dead ends: 276 [2021-10-24 10:59:09,385 INFO L226 Difference]: Without dead ends: 137 [2021-10-24 10:59:09,389 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:59:09,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-24 10:59:09,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-24 10:59:09,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 136 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2021-10-24 10:59:09,439 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2021-10-24 10:59:09,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:09,440 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2021-10-24 10:59:09,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2021-10-24 10:59:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:59:09,442 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:09,442 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:09,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:09,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:09,656 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:09,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:09,657 INFO L82 PathProgramCache]: Analyzing trace with hash -949848712, now seen corresponding path program 1 times [2021-10-24 10:59:09,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:09,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655896025] [2021-10-24 10:59:09,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:09,658 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:09,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:09,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:59:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:09,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:59:09,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:09,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:10,019 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:10,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655896025] [2021-10-24 10:59:10,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655896025] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:10,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:10,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:59:10,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434421778] [2021-10-24 10:59:10,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:59:10,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:10,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:59:10,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:59:10,028 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:10,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:10,067 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2021-10-24 10:59:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:59:10,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:59:10,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:10,073 INFO L225 Difference]: With dead ends: 137 [2021-10-24 10:59:10,073 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 10:59:10,075 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:59:10,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 10:59:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-24 10:59:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-24 10:59:10,082 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-24 10:59:10,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:10,082 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-24 10:59:10,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-24 10:59:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:59:10,084 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:10,084 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:10,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:10,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:10,285 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:10,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:10,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2021-10-24 10:59:10,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:10,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995888950] [2021-10-24 10:59:10,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:10,293 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:10,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:10,298 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:10,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:59:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:10,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:59:10,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:10,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:10,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:10,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995888950] [2021-10-24 10:59:10,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995888950] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:10,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:10,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:59:10,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208398584] [2021-10-24 10:59:10,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:59:10,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:10,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:59:10,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:59:10,725 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:10,736 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2021-10-24 10:59:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:59:10,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:59:10,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:10,738 INFO L225 Difference]: With dead ends: 104 [2021-10-24 10:59:10,739 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 10:59:10,739 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:59:10,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 10:59:10,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-24 10:59:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-24 10:59:10,747 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-24 10:59:10,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:10,748 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-24 10:59:10,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-24 10:59:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:59:10,750 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:10,750 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:10,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:10,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:10,965 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:10,966 INFO L82 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2021-10-24 10:59:10,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:10,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650190684] [2021-10-24 10:59:10,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:10,967 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:10,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:10,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:59:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:11,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:59:11,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:11,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:11,327 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:11,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650190684] [2021-10-24 10:59:11,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650190684] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:11,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:11,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:59:11,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045378905] [2021-10-24 10:59:11,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:59:11,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:11,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:59:11,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:59:11,331 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:11,404 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-10-24 10:59:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:59:11,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:59:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:11,409 INFO L225 Difference]: With dead ends: 127 [2021-10-24 10:59:11,409 INFO L226 Difference]: Without dead ends: 78 [2021-10-24 10:59:11,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:59:11,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-24 10:59:11,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2021-10-24 10:59:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2021-10-24 10:59:11,429 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2021-10-24 10:59:11,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:11,429 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2021-10-24 10:59:11,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2021-10-24 10:59:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:59:11,435 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:11,436 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:11,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:11,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:11,648 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:11,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:11,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2021-10-24 10:59:11,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:11,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876862113] [2021-10-24 10:59:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:11,650 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:11,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:11,651 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:11,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:59:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:11,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:59:11,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:12,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:12,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:12,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876862113] [2021-10-24 10:59:12,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876862113] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:12,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:12,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:59:12,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764012241] [2021-10-24 10:59:12,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:59:12,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:59:12,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:59:12,259 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:12,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:12,723 INFO L93 Difference]: Finished difference Result 841 states and 1225 transitions. [2021-10-24 10:59:12,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:59:12,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-24 10:59:12,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:12,730 INFO L225 Difference]: With dead ends: 841 [2021-10-24 10:59:12,730 INFO L226 Difference]: Without dead ends: 771 [2021-10-24 10:59:12,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 163.1ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:59:12,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-10-24 10:59:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 186. [2021-10-24 10:59:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 260 transitions. [2021-10-24 10:59:12,766 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 260 transitions. Word has length 32 [2021-10-24 10:59:12,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:12,767 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 260 transitions. [2021-10-24 10:59:12,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:12,768 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 260 transitions. [2021-10-24 10:59:12,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:59:12,769 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:12,769 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:12,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:12,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:12,983 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:12,984 INFO L82 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2021-10-24 10:59:12,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:12,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604985929] [2021-10-24 10:59:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:12,985 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:12,987 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:12,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:59:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:13,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:59:13,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:13,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:13,454 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:13,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604985929] [2021-10-24 10:59:13,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604985929] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:13,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:13,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:59:13,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270736528] [2021-10-24 10:59:13,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:59:13,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:13,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:59:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:59:13,458 INFO L87 Difference]: Start difference. First operand 186 states and 260 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:13,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:13,569 INFO L93 Difference]: Finished difference Result 585 states and 826 transitions. [2021-10-24 10:59:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:59:13,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:59:13,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:13,574 INFO L225 Difference]: With dead ends: 585 [2021-10-24 10:59:13,575 INFO L226 Difference]: Without dead ends: 452 [2021-10-24 10:59:13,577 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:59:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-10-24 10:59:13,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 190. [2021-10-24 10:59:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 189 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2021-10-24 10:59:13,632 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 33 [2021-10-24 10:59:13,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:13,633 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2021-10-24 10:59:13,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2021-10-24 10:59:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:59:13,636 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:13,636 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:13,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:13,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:13,854 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:13,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:13,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2021-10-24 10:59:13,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:13,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101992211] [2021-10-24 10:59:13,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:13,856 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:13,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:13,858 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:13,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:59:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:14,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:59:14,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:14,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:14,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:14,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101992211] [2021-10-24 10:59:14,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101992211] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:14,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:14,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:59:14,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489760032] [2021-10-24 10:59:14,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:59:14,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:14,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:59:14,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:59:14,364 INFO L87 Difference]: Start difference. First operand 190 states and 262 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:14,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:14,504 INFO L93 Difference]: Finished difference Result 720 states and 1006 transitions. [2021-10-24 10:59:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:59:14,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:59:14,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:14,512 INFO L225 Difference]: With dead ends: 720 [2021-10-24 10:59:14,513 INFO L226 Difference]: Without dead ends: 536 [2021-10-24 10:59:14,514 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 67.9ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:59:14,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-24 10:59:14,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 199. [2021-10-24 10:59:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.3585858585858586) internal successors, (269), 198 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 269 transitions. [2021-10-24 10:59:14,560 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 269 transitions. Word has length 33 [2021-10-24 10:59:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:14,561 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 269 transitions. [2021-10-24 10:59:14,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2021-10-24 10:59:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:59:14,564 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:14,564 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:14,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:14,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:14,778 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:14,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:14,779 INFO L82 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2021-10-24 10:59:14,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:14,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675492897] [2021-10-24 10:59:14,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:14,780 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:14,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:14,781 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:14,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:59:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:15,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:59:15,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:15,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:15,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:15,439 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:15,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675492897] [2021-10-24 10:59:15,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675492897] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:15,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:15,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:59:15,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021340174] [2021-10-24 10:59:15,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:59:15,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:15,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:59:15,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:59:15,441 INFO L87 Difference]: Start difference. First operand 199 states and 269 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:15,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:15,834 INFO L93 Difference]: Finished difference Result 1566 states and 2101 transitions. [2021-10-24 10:59:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 10:59:15,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-24 10:59:15,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:15,843 INFO L225 Difference]: With dead ends: 1566 [2021-10-24 10:59:15,844 INFO L226 Difference]: Without dead ends: 1373 [2021-10-24 10:59:15,845 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 114.8ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-24 10:59:15,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-10-24 10:59:15,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 390. [2021-10-24 10:59:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 1.3367609254498716) internal successors, (520), 389 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 520 transitions. [2021-10-24 10:59:15,931 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 520 transitions. Word has length 36 [2021-10-24 10:59:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:15,932 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 520 transitions. [2021-10-24 10:59:15,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 520 transitions. [2021-10-24 10:59:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:59:15,934 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:15,934 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:15,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:16,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:16,148 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:16,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:16,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2021-10-24 10:59:16,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:16,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477171732] [2021-10-24 10:59:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:16,150 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:16,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:16,151 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:16,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:59:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:16,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:59:16,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:16,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:16,799 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:16,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477171732] [2021-10-24 10:59:16,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477171732] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:16,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:16,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:59:16,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169779897] [2021-10-24 10:59:16,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:59:16,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:16,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:59:16,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:59:16,802 INFO L87 Difference]: Start difference. First operand 390 states and 520 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:20,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:20,341 INFO L93 Difference]: Finished difference Result 1099 states and 1487 transitions. [2021-10-24 10:59:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:59:20,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-24 10:59:20,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:20,348 INFO L225 Difference]: With dead ends: 1099 [2021-10-24 10:59:20,348 INFO L226 Difference]: Without dead ends: 715 [2021-10-24 10:59:20,349 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 85.3ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-24 10:59:20,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2021-10-24 10:59:20,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 320. [2021-10-24 10:59:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 319 states have (on average 1.2946708463949843) internal successors, (413), 319 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 413 transitions. [2021-10-24 10:59:20,407 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 413 transitions. Word has length 36 [2021-10-24 10:59:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:20,408 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 413 transitions. [2021-10-24 10:59:20,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 413 transitions. [2021-10-24 10:59:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 10:59:20,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:20,410 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:20,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:20,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:20,619 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:20,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:20,619 INFO L82 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2021-10-24 10:59:20,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:20,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947803249] [2021-10-24 10:59:20,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:20,620 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:20,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:20,621 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:20,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:59:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:21,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:59:21,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:21,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:21,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:21,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:21,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947803249] [2021-10-24 10:59:21,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947803249] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:21,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:21,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:59:21,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380486736] [2021-10-24 10:59:21,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:59:21,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:21,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:59:21,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:59:21,317 INFO L87 Difference]: Start difference. First operand 320 states and 413 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:23,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:23,225 INFO L93 Difference]: Finished difference Result 1022 states and 1308 transitions. [2021-10-24 10:59:23,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:59:23,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-24 10:59:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:23,231 INFO L225 Difference]: With dead ends: 1022 [2021-10-24 10:59:23,231 INFO L226 Difference]: Without dead ends: 708 [2021-10-24 10:59:23,232 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 112.8ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:59:23,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2021-10-24 10:59:23,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 300. [2021-10-24 10:59:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2675585284280937) internal successors, (379), 299 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 379 transitions. [2021-10-24 10:59:23,298 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 379 transitions. Word has length 37 [2021-10-24 10:59:23,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:23,299 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 379 transitions. [2021-10-24 10:59:23,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 379 transitions. [2021-10-24 10:59:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 10:59:23,301 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:23,301 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:23,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:23,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:23,515 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:23,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:23,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1743364106, now seen corresponding path program 1 times [2021-10-24 10:59:23,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:23,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855522219] [2021-10-24 10:59:23,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:23,516 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:23,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:23,518 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:23,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:59:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:23,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:59:23,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:59:24,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:59:24,304 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:24,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855522219] [2021-10-24 10:59:24,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855522219] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:24,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:24,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-24 10:59:24,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485282029] [2021-10-24 10:59:24,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:59:24,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:24,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:59:24,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:59:24,307 INFO L87 Difference]: Start difference. First operand 300 states and 379 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:27,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:27,464 INFO L93 Difference]: Finished difference Result 1034 states and 1338 transitions. [2021-10-24 10:59:27,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:59:27,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 10:59:27,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:27,471 INFO L225 Difference]: With dead ends: 1034 [2021-10-24 10:59:27,471 INFO L226 Difference]: Without dead ends: 836 [2021-10-24 10:59:27,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:59:27,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-10-24 10:59:27,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 695. [2021-10-24 10:59:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.260806916426513) internal successors, (875), 694 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 875 transitions. [2021-10-24 10:59:27,597 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 875 transitions. Word has length 56 [2021-10-24 10:59:27,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:27,597 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 875 transitions. [2021-10-24 10:59:27,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 875 transitions. [2021-10-24 10:59:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 10:59:27,599 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:27,599 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:27,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:27,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:27,817 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:27,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:27,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2021-10-24 10:59:27,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:27,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967054804] [2021-10-24 10:59:27,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:27,818 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:27,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:27,819 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:27,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 10:59:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:28,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:59:28,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:28,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:28,520 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:28,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967054804] [2021-10-24 10:59:28,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967054804] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:28,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:28,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:59:28,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891679188] [2021-10-24 10:59:28,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:59:28,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:28,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:59:28,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:59:28,522 INFO L87 Difference]: Start difference. First operand 695 states and 875 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:28,797 INFO L93 Difference]: Finished difference Result 1785 states and 2242 transitions. [2021-10-24 10:59:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:59:28,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 10:59:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:28,806 INFO L225 Difference]: With dead ends: 1785 [2021-10-24 10:59:28,806 INFO L226 Difference]: Without dead ends: 1096 [2021-10-24 10:59:28,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 42.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:59:28,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-10-24 10:59:28,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 695. [2021-10-24 10:59:28,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.239193083573487) internal successors, (860), 694 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 860 transitions. [2021-10-24 10:59:28,952 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 860 transitions. Word has length 56 [2021-10-24 10:59:28,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:28,953 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 860 transitions. [2021-10-24 10:59:28,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 860 transitions. [2021-10-24 10:59:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:59:28,955 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:28,955 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:28,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:29,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:29,169 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:29,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:29,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1671822983, now seen corresponding path program 1 times [2021-10-24 10:59:29,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:29,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465264516] [2021-10-24 10:59:29,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:29,171 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:29,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:29,173 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:29,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:59:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:29,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:59:29,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:29,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:29,957 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:29,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465264516] [2021-10-24 10:59:29,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465264516] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:29,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:29,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:59:29,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933737198] [2021-10-24 10:59:29,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:59:29,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:29,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:59:29,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:59:29,960 INFO L87 Difference]: Start difference. First operand 695 states and 860 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:32,048 INFO L93 Difference]: Finished difference Result 2661 states and 3289 transitions. [2021-10-24 10:59:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 10:59:32,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 10:59:32,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:32,061 INFO L225 Difference]: With dead ends: 2661 [2021-10-24 10:59:32,062 INFO L226 Difference]: Without dead ends: 2064 [2021-10-24 10:59:32,063 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 87.5ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-24 10:59:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2021-10-24 10:59:32,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 887. [2021-10-24 10:59:32,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.2302483069977426) internal successors, (1090), 886 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1090 transitions. [2021-10-24 10:59:32,226 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1090 transitions. Word has length 58 [2021-10-24 10:59:32,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:32,227 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1090 transitions. [2021-10-24 10:59:32,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:32,227 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1090 transitions. [2021-10-24 10:59:32,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:59:32,228 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:32,229 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:32,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:32,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:32,443 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:32,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:32,443 INFO L82 PathProgramCache]: Analyzing trace with hash -2091911420, now seen corresponding path program 1 times [2021-10-24 10:59:32,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:32,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727750629] [2021-10-24 10:59:32,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:32,444 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:32,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:32,445 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:32,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-24 10:59:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:32,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:59:32,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:59:32,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:59:33,146 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:33,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727750629] [2021-10-24 10:59:33,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727750629] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:33,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:33,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:59:33,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914584343] [2021-10-24 10:59:33,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:59:33,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:33,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:59:33,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:59:33,149 INFO L87 Difference]: Start difference. First operand 887 states and 1090 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:36,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:36,740 INFO L93 Difference]: Finished difference Result 2687 states and 3312 transitions. [2021-10-24 10:59:36,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:59:36,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 10:59:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:36,752 INFO L225 Difference]: With dead ends: 2687 [2021-10-24 10:59:36,752 INFO L226 Difference]: Without dead ends: 1878 [2021-10-24 10:59:36,757 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 127.6ms TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:59:36,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2021-10-24 10:59:36,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 853. [2021-10-24 10:59:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2241784037558685) internal successors, (1043), 852 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1043 transitions. [2021-10-24 10:59:36,916 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1043 transitions. Word has length 58 [2021-10-24 10:59:36,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:36,917 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1043 transitions. [2021-10-24 10:59:36,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1043 transitions. [2021-10-24 10:59:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:59:36,918 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:36,919 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:36,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:37,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:37,132 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:37,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:37,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1514821351, now seen corresponding path program 1 times [2021-10-24 10:59:37,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:37,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378463998] [2021-10-24 10:59:37,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:37,133 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:37,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:37,134 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:37,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-24 10:59:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:37,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:59:37,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:37,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:37,898 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:37,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378463998] [2021-10-24 10:59:37,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378463998] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:37,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:37,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:59:37,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430382979] [2021-10-24 10:59:37,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:59:37,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:37,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:59:37,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:59:37,901 INFO L87 Difference]: Start difference. First operand 853 states and 1043 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:38,071 INFO L93 Difference]: Finished difference Result 1915 states and 2353 transitions. [2021-10-24 10:59:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:59:38,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 10:59:38,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:38,077 INFO L225 Difference]: With dead ends: 1915 [2021-10-24 10:59:38,078 INFO L226 Difference]: Without dead ends: 1068 [2021-10-24 10:59:38,079 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:59:38,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2021-10-24 10:59:38,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 853. [2021-10-24 10:59:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2147887323943662) internal successors, (1035), 852 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1035 transitions. [2021-10-24 10:59:38,201 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1035 transitions. Word has length 58 [2021-10-24 10:59:38,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:38,201 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1035 transitions. [2021-10-24 10:59:38,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1035 transitions. [2021-10-24 10:59:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:59:38,203 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:38,203 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:38,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-10-24 10:59:38,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:38,410 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:38,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:38,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1750786647, now seen corresponding path program 1 times [2021-10-24 10:59:38,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:38,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216236426] [2021-10-24 10:59:38,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:38,412 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:38,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:38,413 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:38,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-24 10:59:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:38,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:59:38,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:39,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:39,192 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:39,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216236426] [2021-10-24 10:59:39,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216236426] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:39,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:59:39,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:59:39,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917820287] [2021-10-24 10:59:39,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:59:39,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:39,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:59:39,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:59:39,194 INFO L87 Difference]: Start difference. First operand 853 states and 1035 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:39,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:39,348 INFO L93 Difference]: Finished difference Result 1825 states and 2239 transitions. [2021-10-24 10:59:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:59:39,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 10:59:39,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:39,352 INFO L225 Difference]: With dead ends: 1825 [2021-10-24 10:59:39,353 INFO L226 Difference]: Without dead ends: 978 [2021-10-24 10:59:39,354 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:59:39,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2021-10-24 10:59:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 725. [2021-10-24 10:59:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 724 states have (on average 1.2223756906077348) internal successors, (885), 724 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 885 transitions. [2021-10-24 10:59:39,462 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 885 transitions. Word has length 58 [2021-10-24 10:59:39,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:39,462 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 885 transitions. [2021-10-24 10:59:39,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 885 transitions. [2021-10-24 10:59:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 10:59:39,463 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:39,463 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:39,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:39,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:59:39,664 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:39,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:39,664 INFO L82 PathProgramCache]: Analyzing trace with hash -782788334, now seen corresponding path program 1 times [2021-10-24 10:59:39,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:39,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581019615] [2021-10-24 10:59:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:39,665 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:39,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:39,665 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:39,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-24 10:59:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:40,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:59:40,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:40,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:40,566 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:40,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581019615] [2021-10-24 10:59:40,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581019615] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:59:40,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [842873285] [2021-10-24 10:59:40,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:40,567 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:59:40,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:59:40,570 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:59:40,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-24 10:59:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:41,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:59:41,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:59:41,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:59:41,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [842873285] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:59:41,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:59:41,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-10-24 10:59:41,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054433207] [2021-10-24 10:59:41,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:59:41,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:41,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:59:41,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:59:41,464 INFO L87 Difference]: Start difference. First operand 725 states and 885 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:41,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:41,702 INFO L93 Difference]: Finished difference Result 1713 states and 2106 transitions. [2021-10-24 10:59:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:59:41,703 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 [2021-10-24 10:59:41,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:41,709 INFO L225 Difference]: With dead ends: 1713 [2021-10-24 10:59:41,709 INFO L226 Difference]: Without dead ends: 994 [2021-10-24 10:59:41,711 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 98.7ms TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:59:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2021-10-24 10:59:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 752. [2021-10-24 10:59:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.214380825565912) internal successors, (912), 751 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 912 transitions. [2021-10-24 10:59:41,862 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 912 transitions. Word has length 60 [2021-10-24 10:59:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:41,862 INFO L470 AbstractCegarLoop]: Abstraction has 752 states and 912 transitions. [2021-10-24 10:59:41,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 912 transitions. [2021-10-24 10:59:41,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 10:59:41,869 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:41,870 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:41,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:42,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:42,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:59:42,284 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:42,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:42,284 INFO L82 PathProgramCache]: Analyzing trace with hash -524622896, now seen corresponding path program 1 times [2021-10-24 10:59:42,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:42,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341969714] [2021-10-24 10:59:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:42,285 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:42,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:42,286 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:42,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-24 10:59:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:42,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:59:42,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:42,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:43,221 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:43,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341969714] [2021-10-24 10:59:43,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341969714] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:59:43,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [192962759] [2021-10-24 10:59:43,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:43,222 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:59:43,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:59:43,230 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:59:43,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-24 10:59:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:43,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:59:43,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:44,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:59:44,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [192962759] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:59:44,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663638390] [2021-10-24 10:59:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:44,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:59:44,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:59:44,339 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:59:44,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-24 10:59:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:44,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:59:44,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:45,061 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:45,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:45,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663638390] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-24 10:59:45,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-24 10:59:45,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 14 [2021-10-24 10:59:45,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135176188] [2021-10-24 10:59:45,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:59:45,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:45,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:59:45,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:59:45,303 INFO L87 Difference]: Start difference. First operand 752 states and 912 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:46,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:46,268 INFO L93 Difference]: Finished difference Result 4053 states and 4965 transitions. [2021-10-24 10:59:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-24 10:59:46,268 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-24 10:59:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:46,284 INFO L225 Difference]: With dead ends: 4053 [2021-10-24 10:59:46,284 INFO L226 Difference]: Without dead ends: 3307 [2021-10-24 10:59:46,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 324.5ms TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2021-10-24 10:59:46,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2021-10-24 10:59:46,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 1085. [2021-10-24 10:59:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1084 states have (on average 1.227859778597786) internal successors, (1331), 1084 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1331 transitions. [2021-10-24 10:59:46,527 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1331 transitions. Word has length 60 [2021-10-24 10:59:46,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:46,527 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1331 transitions. [2021-10-24 10:59:46,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1331 transitions. [2021-10-24 10:59:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-24 10:59:46,529 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:59:46,529 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:59:46,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:46,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:46,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-10-24 10:59:47,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:59:47,143 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:59:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:59:47,144 INFO L82 PathProgramCache]: Analyzing trace with hash 927286599, now seen corresponding path program 1 times [2021-10-24 10:59:47,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:59:47,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351646247] [2021-10-24 10:59:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:47,144 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:59:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:59:47,145 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:59:47,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-24 10:59:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:47,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:59:47,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:59:48,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:59:48,299 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:59:48,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351646247] [2021-10-24 10:59:48,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351646247] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:59:48,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [648034352] [2021-10-24 10:59:48,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:48,300 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:59:48,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:59:48,302 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:59:48,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-10-24 10:59:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:49,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:59:49,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-24 10:59:49,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-24 10:59:49,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [648034352] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:59:49,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053765564] [2021-10-24 10:59:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:59:49,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:59:49,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:59:49,771 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:59:49,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-24 10:59:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:59:50,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-24 10:59:50,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:59:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-24 10:59:50,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:59:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:59:51,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053765564] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:59:51,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:59:51,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 6, 8, 9] total 20 [2021-10-24 10:59:51,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764149974] [2021-10-24 10:59:51,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-24 10:59:51,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:59:51,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-24 10:59:51,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-10-24 10:59:51,146 INFO L87 Difference]: Start difference. First operand 1085 states and 1331 transitions. Second operand has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:56,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:59:56,485 INFO L93 Difference]: Finished difference Result 3922 states and 4859 transitions. [2021-10-24 10:59:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-24 10:59:56,486 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-10-24 10:59:56,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:59:56,486 INFO L225 Difference]: With dead ends: 3922 [2021-10-24 10:59:56,486 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:59:56,491 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 1069.5ms TimeCoverageRelationStatistics Valid=668, Invalid=2992, Unknown=0, NotChecked=0, Total=3660 [2021-10-24 10:59:56,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:59:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:59:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:59:56,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-24 10:59:56,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:59:56,493 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:59:56,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:59:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:59:56,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:59:56,496 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:59:56,497 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:59:56,497 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:59:56,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-24 10:59:56,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-24 10:59:56,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2021-10-24 10:59:57,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:59:57,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:59:57,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:57,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:59:59,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:00,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:00,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:00,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:00,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:00,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:00,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:01,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:02,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:02,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:02,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:02,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:08,972 WARN L207 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 941 DAG size of output: 803 [2021-10-24 11:00:08,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:08,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:09,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:11,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:11,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:11,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:11,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:11,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:15,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:19,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:19,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:19,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:19,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:00:49,656 WARN L207 SmtUtils]: Spent 14.24 s on a formula simplification. DAG size of input: 773 DAG size of output: 66 [2021-10-24 11:01:01,330 WARN L207 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 484 DAG size of output: 83 [2021-10-24 11:01:15,906 WARN L207 SmtUtils]: Spent 12.50 s on a formula simplification. DAG size of input: 718 DAG size of output: 79 [2021-10-24 11:01:29,370 WARN L207 SmtUtils]: Spent 13.45 s on a formula simplification. DAG size of input: 735 DAG size of output: 52 [2021-10-24 11:01:29,396 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-24 11:01:29,397 INFO L853 garLoopResultBuilder]: At program point L499(lines 494 502) the Hoare annotation is: (let ((.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse13 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not .cse15)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse11 .cse4 .cse5 .cse6 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse12 .cse13 .cse8 .cse9) (and .cse0 .cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse11 .cse4 .cse5 .cse6 .cse15) (and (or (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse6 .cse9) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse4 .cse5 .cse6 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32)))) .cse7) (and .cse0 .cse10 .cse1 .cse2 .cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4 .cse5 .cse6 .cse14 .cse7 .cse8)))) [2021-10-24 11:01:29,397 INFO L853 garLoopResultBuilder]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-24 11:01:29,397 INFO L853 garLoopResultBuilder]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-24 11:01:29,398 INFO L853 garLoopResultBuilder]: At program point L467(lines 462 470) the Hoare annotation is: false [2021-10-24 11:01:29,398 INFO L853 garLoopResultBuilder]: At program point L467-1(lines 462 470) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-10-24 11:01:29,398 INFO L853 garLoopResultBuilder]: At program point L467-2(lines 462 470) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse2 (not .cse14)) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse15 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse4 .cse5 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse13 .cse7) (and .cse0 .cse8 .cse1 .cse9 .cse3 .cse4 .cse5 .cse10) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse3 .cse4 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse13 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 .cse4 .cse13 .cse11 .cse12 .cse7) (and .cse0 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse4 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse11 .cse12 .cse7) (and .cse0 .cse4 .cse5 .cse11 .cse12 .cse6 .cse7) (and .cse0 .cse8 .cse14 .cse1 .cse9 .cse3 .cse4) (and .cse0 .cse8 .cse9 .cse15 .cse4 .cse10 .cse13 .cse11 .cse12 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse13 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse9 .cse15 .cse3 .cse4 .cse10 .cse13 .cse6)))) [2021-10-24 11:01:29,398 INFO L853 garLoopResultBuilder]: At program point L467-3(lines 462 470) the Hoare annotation is: false [2021-10-24 11:01:29,399 INFO L853 garLoopResultBuilder]: At program point L467-4(lines 462 470) the Hoare annotation is: false [2021-10-24 11:01:29,399 INFO L853 garLoopResultBuilder]: At program point L467-5(lines 462 470) the Hoare annotation is: false [2021-10-24 11:01:29,399 INFO L853 garLoopResultBuilder]: At program point L467-6(lines 462 470) the Hoare annotation is: false [2021-10-24 11:01:29,399 INFO L853 garLoopResultBuilder]: At program point L467-7(lines 462 470) the Hoare annotation is: false [2021-10-24 11:01:29,400 INFO L853 garLoopResultBuilder]: At program point L467-8(lines 462 470) the Hoare annotation is: false [2021-10-24 11:01:29,400 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,400 INFO L857 garLoopResultBuilder]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,400 INFO L857 garLoopResultBuilder]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,400 INFO L857 garLoopResultBuilder]: For program point L799-5(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,400 INFO L857 garLoopResultBuilder]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,401 INFO L857 garLoopResultBuilder]: For program point L799-8(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,401 INFO L857 garLoopResultBuilder]: For program point L799-9(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,401 INFO L857 garLoopResultBuilder]: For program point L799-11(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,401 INFO L857 garLoopResultBuilder]: For program point L799-12(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,401 INFO L857 garLoopResultBuilder]: For program point L799-14(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,402 INFO L857 garLoopResultBuilder]: For program point L799-15(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,402 INFO L857 garLoopResultBuilder]: For program point L799-17(lines 799 803) no Hoare annotation was computed. [2021-10-24 11:01:29,402 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-24 11:01:29,402 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-24 11:01:29,402 INFO L857 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2021-10-24 11:01:29,403 INFO L857 garLoopResultBuilder]: For program point L605-2(line 605) no Hoare annotation was computed. [2021-10-24 11:01:29,403 INFO L857 garLoopResultBuilder]: For program point L870(lines 870 881) no Hoare annotation was computed. [2021-10-24 11:01:29,403 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2021-10-24 11:01:29,403 INFO L857 garLoopResultBuilder]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2021-10-24 11:01:29,403 INFO L857 garLoopResultBuilder]: For program point L507-2(lines 507 513) no Hoare annotation was computed. [2021-10-24 11:01:29,403 INFO L857 garLoopResultBuilder]: For program point L507-3(lines 507 513) no Hoare annotation was computed. [2021-10-24 11:01:29,404 INFO L857 garLoopResultBuilder]: For program point L507-4(lines 507 513) no Hoare annotation was computed. [2021-10-24 11:01:29,404 INFO L857 garLoopResultBuilder]: For program point L507-5(lines 507 513) no Hoare annotation was computed. [2021-10-24 11:01:29,404 INFO L853 garLoopResultBuilder]: At program point L805(lines 790 808) the Hoare annotation is: false [2021-10-24 11:01:29,404 INFO L853 garLoopResultBuilder]: At program point L805-1(lines 790 808) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse16 (= ~waterLevel~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse17 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse14 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse15 (not .cse2)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse4 .cse11 .cse12 .cse7 .cse8 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse14 .cse4 .cse5 .cse6 .cse8) (and .cse1 .cse9 .cse14 .cse15 .cse10 .cse4 .cse11 .cse16 .cse17 .cse8 .cse13) (and .cse1 .cse9 .cse15 .cse10 .cse4 .cse11 .cse16 .cse7 .cse17 .cse8 .cse13) (and .cse1 .cse9 .cse14 .cse15 .cse10 .cse4 .cse11 .cse12 .cse8 .cse13)))) [2021-10-24 11:01:29,404 INFO L853 garLoopResultBuilder]: At program point L805-2(lines 790 808) the Hoare annotation is: false [2021-10-24 11:01:29,405 INFO L853 garLoopResultBuilder]: At program point L805-3(lines 790 808) the Hoare annotation is: false [2021-10-24 11:01:29,405 INFO L853 garLoopResultBuilder]: At program point L805-4(lines 790 808) the Hoare annotation is: false [2021-10-24 11:01:29,405 INFO L853 garLoopResultBuilder]: At program point L805-5(lines 790 808) the Hoare annotation is: false [2021-10-24 11:01:29,405 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-10-24 11:01:29,405 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-10-24 11:01:29,406 INFO L853 garLoopResultBuilder]: At program point L741(lines 734 744) the Hoare annotation is: false [2021-10-24 11:01:29,406 INFO L853 garLoopResultBuilder]: At program point L741-1(lines 734 744) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-10-24 11:01:29,406 INFO L853 garLoopResultBuilder]: At program point L741-2(lines 734 744) the Hoare annotation is: false [2021-10-24 11:01:29,406 INFO L853 garLoopResultBuilder]: At program point L741-3(lines 734 744) the Hoare annotation is: false [2021-10-24 11:01:29,406 INFO L853 garLoopResultBuilder]: At program point L741-4(lines 734 744) the Hoare annotation is: false [2021-10-24 11:01:29,407 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 596) no Hoare annotation was computed. [2021-10-24 11:01:29,407 INFO L853 garLoopResultBuilder]: At program point L741-5(lines 734 744) the Hoare annotation is: false [2021-10-24 11:01:29,407 INFO L857 garLoopResultBuilder]: For program point L576-2(lines 576 596) no Hoare annotation was computed. [2021-10-24 11:01:29,407 INFO L857 garLoopResultBuilder]: For program point L576-4(lines 576 596) no Hoare annotation was computed. [2021-10-24 11:01:29,407 INFO L857 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-10-24 11:01:29,408 INFO L857 garLoopResultBuilder]: For program point L841(lines 840 885) no Hoare annotation was computed. [2021-10-24 11:01:29,408 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 846) no Hoare annotation was computed. [2021-10-24 11:01:29,408 INFO L853 garLoopResultBuilder]: At program point L512(lines 503 516) the Hoare annotation is: false [2021-10-24 11:01:29,408 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 503 516) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (not .cse6)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse8 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse10 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse9 .cse8 .cse10 .cse5)))) [2021-10-24 11:01:29,408 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 503 516) the Hoare annotation is: false [2021-10-24 11:01:29,409 INFO L853 garLoopResultBuilder]: At program point L512-3(lines 503 516) the Hoare annotation is: false [2021-10-24 11:01:29,409 INFO L853 garLoopResultBuilder]: At program point L512-4(lines 503 516) the Hoare annotation is: false [2021-10-24 11:01:29,409 INFO L853 garLoopResultBuilder]: At program point L512-5(lines 503 516) the Hoare annotation is: false [2021-10-24 11:01:29,409 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2021-10-24 11:01:29,409 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 621 627) no Hoare annotation was computed. [2021-10-24 11:01:29,410 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-10-24 11:01:29,410 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 621 627) no Hoare annotation was computed. [2021-10-24 11:01:29,410 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2021-10-24 11:01:29,410 INFO L857 garLoopResultBuilder]: For program point L679-1(lines 679 696) no Hoare annotation was computed. [2021-10-24 11:01:29,410 INFO L857 garLoopResultBuilder]: For program point L679-2(lines 679 696) no Hoare annotation was computed. [2021-10-24 11:01:29,410 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-10-24 11:01:29,411 INFO L860 garLoopResultBuilder]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-10-24 11:01:29,411 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:01:29,411 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 595) no Hoare annotation was computed. [2021-10-24 11:01:29,411 INFO L853 garLoopResultBuilder]: At program point L582-1(lines 1 989) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (not .cse1)) (.cse13 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse20 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse15 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse14 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse11 .cse2 .cse3 .cse12 .cse8 .cse4 .cse5 .cse13) (and .cse0 .cse9 (not .cse14) .cse15 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) .cse10 .cse11 .cse16 .cse17 .cse2 .cse12 .cse8 .cse13) (and .cse0 .cse15 .cse7 .cse16 .cse17 .cse2 .cse18 .cse19 .cse20 .cse13 .cse6) (and .cse0 .cse2 .cse18 .cse3 .cse4 .cse5 .cse13 .cse6) (and .cse0 .cse15 .cse2 .cse8 .cse6) (and .cse0 .cse9 .cse15 .cse10 .cse16 .cse17 .cse2 .cse18 .cse19 .cse12 .cse20) (and .cse0 .cse9 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse15 .cse10 .cse16 .cse17 .cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse14) (and .cse0 .cse9 .cse10 .cse2 .cse18 .cse3 .cse12 .cse4 .cse5)))) [2021-10-24 11:01:29,411 INFO L857 garLoopResultBuilder]: For program point L582-2(lines 582 595) no Hoare annotation was computed. [2021-10-24 11:01:29,412 INFO L853 garLoopResultBuilder]: At program point L582-3(lines 1 989) the Hoare annotation is: false [2021-10-24 11:01:29,412 INFO L857 garLoopResultBuilder]: For program point L582-4(lines 582 595) no Hoare annotation was computed. [2021-10-24 11:01:29,412 INFO L853 garLoopResultBuilder]: At program point L582-5(lines 1 989) the Hoare annotation is: false [2021-10-24 11:01:29,412 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-10-24 11:01:29,412 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2021-10-24 11:01:29,413 INFO L857 garLoopResultBuilder]: For program point L716-2(lines 716 722) no Hoare annotation was computed. [2021-10-24 11:01:29,413 INFO L857 garLoopResultBuilder]: For program point L683-1(lines 683 691) no Hoare annotation was computed. [2021-10-24 11:01:29,413 INFO L857 garLoopResultBuilder]: For program point L683-2(lines 683 691) no Hoare annotation was computed. [2021-10-24 11:01:29,413 INFO L857 garLoopResultBuilder]: For program point L716-4(lines 716 722) no Hoare annotation was computed. [2021-10-24 11:01:29,413 INFO L857 garLoopResultBuilder]: For program point L716-6(lines 716 722) no Hoare annotation was computed. [2021-10-24 11:01:29,414 INFO L857 garLoopResultBuilder]: For program point L716-8(lines 716 722) no Hoare annotation was computed. [2021-10-24 11:01:29,414 INFO L857 garLoopResultBuilder]: For program point L716-10(lines 716 722) no Hoare annotation was computed. [2021-10-24 11:01:29,414 INFO L853 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 11:01:29,414 INFO L853 garLoopResultBuilder]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2021-10-24 11:01:29,414 INFO L853 garLoopResultBuilder]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2021-10-24 11:01:29,415 INFO L853 garLoopResultBuilder]: At program point L552(lines 1 989) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:01:29,415 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2021-10-24 11:01:29,415 INFO L853 garLoopResultBuilder]: At program point L850-1(lines 850 856) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse13 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse14 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0))) (.cse5 (not .cse1)) (.cse15 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse18 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse19 (= ~waterLevel~0 (_ bv0 32))) (.cse20 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse21 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse22 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse10 .cse11 .cse3 .cse6 .cse12 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse13 .cse2 .cse14 .cse11 .cse15 .cse16 .cse17 .cse3 .cse12 .cse7 .cse18) (and .cse0 .cse10 .cse1 .cse13 .cse2 .cse14 .cse11 .cse15 .cse16 .cse17 .cse3 .cse18) (and .cse0 .cse2 .cse5 .cse16 .cse17 .cse3 .cse19 .cse20 .cse21 .cse18 .cse4) (and .cse0 .cse3 .cse19 .cse6 .cse8 .cse9 .cse18 .cse4) (and .cse0 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse10 .cse1 .cse11 .cse15 .cse3 .cse6 .cse12 .cse8 .cse9 .cse18) (and .cse0 .cse10 .cse11 .cse3 .cse19 .cse6 .cse12 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse6 .cse8 .cse9 .cse4) (and .cse0 .cse10 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse11 .cse16 .cse17 .cse3 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (and .cse0 .cse10 .cse2 .cse11 .cse16 .cse17 .cse3 .cse20 .cse12 .cse7 .cse21 .cse22) (and .cse0 .cse10 .cse2 .cse11 .cse16 .cse17 .cse3 .cse19 .cse20 .cse12 .cse21 .cse22)))) [2021-10-24 11:01:29,415 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 592) no Hoare annotation was computed. [2021-10-24 11:01:29,415 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 586 592) no Hoare annotation was computed. [2021-10-24 11:01:29,416 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-24 11:01:29,416 INFO L857 garLoopResultBuilder]: For program point L586-4(lines 586 592) no Hoare annotation was computed. [2021-10-24 11:01:29,416 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:01:29,416 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:01:29,416 INFO L857 garLoopResultBuilder]: For program point L818-2(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:01:29,416 INFO L857 garLoopResultBuilder]: For program point L818-3(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:01:29,417 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2021-10-24 11:01:29,417 INFO L857 garLoopResultBuilder]: For program point L818-5(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:01:29,417 INFO L857 garLoopResultBuilder]: For program point L653-1(lines 653 670) no Hoare annotation was computed. [2021-10-24 11:01:29,417 INFO L857 garLoopResultBuilder]: For program point L818-6(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:01:29,417 INFO L857 garLoopResultBuilder]: For program point L653-2(lines 653 670) no Hoare annotation was computed. [2021-10-24 11:01:29,417 INFO L857 garLoopResultBuilder]: For program point L653-3(lines 653 670) no Hoare annotation was computed. [2021-10-24 11:01:29,418 INFO L857 garLoopResultBuilder]: For program point L818-8(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:01:29,418 INFO L857 garLoopResultBuilder]: For program point L653-4(lines 653 670) no Hoare annotation was computed. [2021-10-24 11:01:29,418 INFO L857 garLoopResultBuilder]: For program point L653-5(lines 653 670) no Hoare annotation was computed. [2021-10-24 11:01:29,418 INFO L853 garLoopResultBuilder]: At program point L621(lines 620 639) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse1 (not .cse6)) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse9 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse5) (and .cse0 .cse10 .cse11 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse2 .cse8 .cse9 .cse5) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse8 .cse12) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse3) (and .cse0 .cse10 .cse11 .cse2 .cse8 .cse12 .cse4)))) [2021-10-24 11:01:29,418 INFO L857 garLoopResultBuilder]: For program point L621-1(lines 621 627) no Hoare annotation was computed. [2021-10-24 11:01:29,419 INFO L853 garLoopResultBuilder]: At program point L621-2(lines 620 639) the Hoare annotation is: false [2021-10-24 11:01:29,419 INFO L853 garLoopResultBuilder]: At program point L522(lines 517 525) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse5 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse5 .cse8))) [2021-10-24 11:01:29,419 INFO L853 garLoopResultBuilder]: At program point L621-3(lines 620 639) the Hoare annotation is: false [2021-10-24 11:01:29,419 INFO L853 garLoopResultBuilder]: At program point L522-1(lines 517 525) the Hoare annotation is: false [2021-10-24 11:01:29,419 INFO L853 garLoopResultBuilder]: At program point L522-2(lines 517 525) the Hoare annotation is: false [2021-10-24 11:01:29,420 INFO L853 garLoopResultBuilder]: At program point L886(lines 839 887) the Hoare annotation is: false [2021-10-24 11:01:29,420 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:01:29,420 INFO L860 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-10-24 11:01:29,420 INFO L853 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:01:29,420 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2021-10-24 11:01:29,420 INFO L857 garLoopResultBuilder]: For program point L657-1(lines 657 665) no Hoare annotation was computed. [2021-10-24 11:01:29,421 INFO L857 garLoopResultBuilder]: For program point L657-2(lines 657 665) no Hoare annotation was computed. [2021-10-24 11:01:29,421 INFO L857 garLoopResultBuilder]: For program point L657-3(lines 657 665) no Hoare annotation was computed. [2021-10-24 11:01:29,421 INFO L857 garLoopResultBuilder]: For program point L657-4(lines 657 665) no Hoare annotation was computed. [2021-10-24 11:01:29,421 INFO L857 garLoopResultBuilder]: For program point L657-5(lines 657 665) no Hoare annotation was computed. [2021-10-24 11:01:29,421 INFO L853 garLoopResultBuilder]: At program point L824(lines 809 827) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse8 .cse10 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse11 .cse4 .cse12 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse11 .cse4 .cse12 .cse7))) [2021-10-24 11:01:29,422 INFO L853 garLoopResultBuilder]: At program point L824-1(lines 809 827) the Hoare annotation is: false [2021-10-24 11:01:29,422 INFO L853 garLoopResultBuilder]: At program point L824-2(lines 809 827) the Hoare annotation is: false [2021-10-24 11:01:29,422 INFO L853 garLoopResultBuilder]: At program point L560(lines 555 563) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:01:29,422 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:01:29,422 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-24 11:01:29,423 INFO L853 garLoopResultBuilder]: At program point L628(lines 628 634) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse8 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (not .cse14)) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8 .cse1 .cse9 .cse10 .cse3 .cse4) (and .cse0 .cse1 .cse10 .cse3 .cse5) (and (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse11 .cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 .cse11 .cse7 .cse1 .cse5)) .cse10) (and .cse0 .cse11 .cse12 .cse1 .cse2 .cse13 .cse4 .cse5) (and .cse0 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse5) (and .cse0 .cse6 .cse11 .cse7 .cse1 .cse2 .cse9) (and .cse0 .cse6 .cse14 .cse11 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse6 .cse11 .cse7 .cse8 .cse1 .cse9 .cse10 .cse4) (and .cse0 .cse11 .cse12 .cse1 .cse10 .cse13 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse2 .cse9 .cse3)))) [2021-10-24 11:01:29,423 INFO L853 garLoopResultBuilder]: At program point L628-1(lines 628 634) the Hoare annotation is: false [2021-10-24 11:01:29,423 INFO L853 garLoopResultBuilder]: At program point L628-2(lines 628 634) the Hoare annotation is: false [2021-10-24 11:01:29,423 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-10-24 11:01:29,423 INFO L857 garLoopResultBuilder]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2021-10-24 11:01:29,423 INFO L857 garLoopResultBuilder]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2021-10-24 11:01:29,424 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-10-24 11:01:29,424 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (not .cse2)) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse16 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse5 .cse9 .cse6 .cse10) (and .cse0 .cse2 .cse11 .cse5 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse3 .cse5 .cse13 .cse6) (and .cse0 .cse1 .cse3 .cse5 .cse14 .cse15 .cse16 .cse6) (and .cse0 .cse2 .cse5 .cse6 .cse10) (and .cse0 .cse8 .cse5 .cse14 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse3 .cse5 .cse15 .cse9 .cse16 .cse6) (and .cse0 .cse11 .cse5 .cse9 .cse10) (and .cse0 .cse11 .cse8 .cse5 .cse14 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse11 .cse3 .cse5 .cse13) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse15 .cse9 .cse16) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse14 .cse15 .cse16)))) [2021-10-24 11:01:29,429 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:01:29,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:01:29 BoogieIcfgContainer [2021-10-24 11:01:29,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:01:29,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:01:29,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:01:29,516 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:01:29,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:59:08" (3/4) ... [2021-10-24 11:01:29,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:01:29,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:01:29,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:01:29,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:01:29,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:01:29,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:01:29,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:01:29,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:01:29,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 11:01:29,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32))) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32)) [2021-10-24 11:01:29,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32))) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) [2021-10-24 11:01:29,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) [2021-10-24 11:01:29,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-10-24 11:01:29,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) [2021-10-24 11:01:29,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:01:29,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) && waterLevel == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-10-24 11:01:29,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-10-24 11:01:29,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-10-24 11:01:29,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result) && 1bv32 == \result [2021-10-24 11:01:29,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:01:29,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:01:29,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:01:29,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:01:29,667 INFO L168 Benchmark]: Toolchain (without parser) took 144631.61 ms. Allocated memory was 50.3 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 26.3 MB in the beginning and 882.7 MB in the end (delta: -856.4 MB). Peak memory consumption was 361.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,667 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 31.8 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:01:29,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.87 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.0 MB in the beginning and 28.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.04 ms. Allocated memory is still 60.8 MB. Free memory was 28.8 MB in the beginning and 42.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,668 INFO L168 Benchmark]: Boogie Preprocessor took 97.44 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 39.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,669 INFO L168 Benchmark]: RCFGBuilder took 2656.97 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.1 MB in the beginning and 58.4 MB in the end (delta: -19.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,669 INFO L168 Benchmark]: TraceAbstraction took 140837.49 ms. Allocated memory was 79.7 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 58.0 MB in the beginning and 895.2 MB in the end (delta: -837.3 MB). Peak memory consumption was 802.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,670 INFO L168 Benchmark]: Witness Printer took 150.18 ms. Allocated memory is still 1.3 GB. Free memory was 895.2 MB in the beginning and 882.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 31.8 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 756.87 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.0 MB in the beginning and 28.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.04 ms. Allocated memory is still 60.8 MB. Free memory was 28.8 MB in the beginning and 42.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.44 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 39.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2656.97 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.1 MB in the beginning and 58.4 MB in the end (delta: -19.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 140837.49 ms. Allocated memory was 79.7 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 58.0 MB in the beginning and 895.2 MB in the end (delta: -837.3 MB). Peak memory consumption was 802.9 MB. Max. memory is 16.1 GB. * Witness Printer took 150.18 ms. Allocated memory is still 1.3 GB. Free memory was 895.2 MB in the beginning and 882.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 140663.1ms, OverallIterations: 19, TraceHistogramMax: 3, EmptinessCheckTime: 66.9ms, AutomataDifference: 22950.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 92282.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2785 SDtfs, 6353 SDslu, 9842 SDs, 0 SdLazy, 1526 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17028.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2491 GetRequests, 2286 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 2434.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1085occurred in iteration=18, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1624.3ms AutomataMinimizationTime, 19 MinimizatonAttempts, 8648 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 1019 NumberOfFragments, 2895 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9972486779 FormulaSimplificationTreeSizeReduction, 22704.7ms HoareSimplificationTime, 57 FomulaSimplificationsInter, 714111700 FormulaSimplificationTreeSizeReductionInter, 69539.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 543.4ms SsaConstructionTime, 2655.4ms SatisfiabilityAnalysisTime, 8812.4ms InterpolantComputationTime, 1187 NumberOfCodeBlocks, 1187 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2326 ConstructedInterpolants, 0 QuantifiedInterpolants, 5183 SizeOfPredicates, 67 NumberOfNonLiveVariables, 5739 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 48 InterpolantComputations, 35 PerfectInterpolantSequences, 469/698 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32))) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32))) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) && waterLevel == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:01:29,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2887775b-3a8d-40c5-a7a8-7fb0cc12e86f/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...