./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c ............................................................................................................................................ 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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:50:33,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:50:33,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:50:33,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:50:33,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:50:33,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:50:33,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:50:33,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:50:33,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:50:33,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:50:33,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:50:33,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:50:33,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:50:33,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:50:33,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:50:33,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:50:33,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:50:33,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:50:33,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:50:33,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:50:33,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:50:33,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:50:33,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:50:33,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:50:33,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:50:33,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:50:33,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:50:33,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:50:33,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:50:33,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:50:33,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:50:33,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:50:33,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:50:33,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:50:33,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:50:33,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:50:33,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:50:33,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:50:33,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:50:33,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:50:33,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:50:33,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:50:33,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:50:33,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:50:33,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:50:33,820 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:50:33,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:50:33,821 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:50:33,821 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:50:33,821 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:50:33,828 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:50:33,828 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:50:33,829 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:50:33,829 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:50:33,830 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:50:33,830 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:50:33,830 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:50:33,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:50:33,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:50:33,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:50:33,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:50:33,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:50:33,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:50:33,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:50:33,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:50:33,833 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:50:33,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:50:33,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:50:33,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:50:33,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:50:33,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:50:33,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:50:33,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:33,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:50:33,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:50:33,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:50:33,837 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:50:33,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:50:33,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:50:33,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:50:33,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:50:33,838 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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c [2021-10-24 10:50:34,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:50:34,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:50:34,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:50:34,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:50:34,155 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:50:34,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2021-10-24 10:50:34,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/cea3c8e8f/815c9af39e924434b964252f2261a790/FLAGe8191fc0f [2021-10-24 10:50:34,871 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:50:34,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2021-10-24 10:50:34,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/cea3c8e8f/815c9af39e924434b964252f2261a790/FLAGe8191fc0f [2021-10-24 10:50:35,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/cea3c8e8f/815c9af39e924434b964252f2261a790 [2021-10-24 10:50:35,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:50:35,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:50:35,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:35,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:50:35,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:50:35,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:35" (1/1) ... [2021-10-24 10:50:35,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731428da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:35, skipping insertion in model container [2021-10-24 10:50:35,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:35" (1/1) ... [2021-10-24 10:50:35,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:50:35,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:50:35,657 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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2021-10-24 10:50:35,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:35,785 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 10:50:35,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77f3b971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:35, skipping insertion in model container [2021-10-24 10:50:35,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:35,788 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:50:35,792 INFO L168 Benchmark]: Toolchain (without parser) took 608.38 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.7 MB in the beginning and 95.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:35,794 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:50:35,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.00 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.4 MB in the beginning and 95.0 MB in the end (delta: -24.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:35,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 605.00 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.4 MB in the beginning and 95.0 MB in the end (delta: -24.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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 10:50:38,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:50:38,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:50:38,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:50:38,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:50:38,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:50:38,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:50:38,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:50:38,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:50:38,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:50:38,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:50:38,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:50:38,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:50:38,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:50:38,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:50:38,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:50:38,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:50:38,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:50:38,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:50:38,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:50:38,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:50:38,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:50:38,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:50:38,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:50:38,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:50:38,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:50:38,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:50:38,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:50:38,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:50:38,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:50:38,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:50:38,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:50:38,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:50:38,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:50:38,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:50:38,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:50:38,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:50:38,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:50:38,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:50:38,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:50:38,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:50:38,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:50:38,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:50:38,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:50:38,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:50:38,477 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:50:38,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:50:38,478 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:50:38,478 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:50:38,478 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:50:38,478 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:50:38,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:50:38,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:50:38,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:50:38,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:50:38,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:50:38,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:50:38,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:50:38,483 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:50:38,483 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:50:38,483 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:50:38,483 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:50:38,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:50:38,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:50:38,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:50:38,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:50:38,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:50:38,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:50:38,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:38,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:50:38,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:50:38,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:50:38,486 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:50:38,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:50:38,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:50:38,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:50:38,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:50:38,487 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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c [2021-10-24 10:50:38,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:50:38,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:50:38,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:50:38,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:50:38,958 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:50:38,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2021-10-24 10:50:39,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/6a941eba8/088efa5bd2eb482f9f5234fa8c082cfd/FLAG8fd6e29b1 [2021-10-24 10:50:39,846 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:50:39,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2021-10-24 10:50:39,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/6a941eba8/088efa5bd2eb482f9f5234fa8c082cfd/FLAG8fd6e29b1 [2021-10-24 10:50:40,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/data/6a941eba8/088efa5bd2eb482f9f5234fa8c082cfd [2021-10-24 10:50:40,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:50:40,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:50:40,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:40,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:50:40,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:50:40,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:40,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740e7085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40, skipping insertion in model container [2021-10-24 10:50:40,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:40,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:50:40,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:50:40,459 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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2021-10-24 10:50:40,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:40,561 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:50:40,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:50:40,641 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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2021-10-24 10:50:40,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:40,694 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:50:40,761 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_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2021-10-24 10:50:40,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:40,824 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:50:40,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40 WrapperNode [2021-10-24 10:50:40,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:40,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:50:40,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:50:40,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:50:40,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:40,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:40,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:50:40,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:50:40,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:50:40,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:50:40,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:40,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:40,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:40,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:41,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:41,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:41,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:41,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:50:41,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:50:41,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:50:41,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:50:41,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (1/1) ... [2021-10-24 10:50:41,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:41,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:50:41,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:50:41,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:50:41,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:50:43,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:50:43,688 INFO L299 CfgBuilder]: Removed 294 assume(true) statements. [2021-10-24 10:50:43,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:50:43 BoogieIcfgContainer [2021-10-24 10:50:43,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:50:43,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:50:43,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:50:43,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:50:43,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:50:40" (1/3) ... [2021-10-24 10:50:43,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e60aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:50:43, skipping insertion in model container [2021-10-24 10:50:43,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:40" (2/3) ... [2021-10-24 10:50:43,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e60aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:50:43, skipping insertion in model container [2021-10-24 10:50:43,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:50:43" (3/3) ... [2021-10-24 10:50:43,705 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2021-10-24 10:50:43,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:50:43,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:50:43,774 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:50:43,782 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 10:50:43,783 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:50:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 196 states have (on average 1.5459183673469388) internal successors, (303), 199 states have internal predecessors, (303), 0 states have call successors, (0), 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 10:50:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:50:43,823 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:43,824 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 10:50:43,825 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 10:50:43,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:43,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1924065684, now seen corresponding path program 1 times [2021-10-24 10:50:43,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:43,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058302832] [2021-10-24 10:50:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:43,846 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:43,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:43,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:43,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:50:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:44,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:50:44,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:44,195 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 10:50:44,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:44,266 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 10:50:44,267 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:44,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058302832] [2021-10-24 10:50:44,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058302832] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:44,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:44,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:50:44,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524923622] [2021-10-24 10:50:44,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:50:44,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:44,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:50:44,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:50:44,297 INFO L87 Difference]: Start difference. First operand has 200 states, 196 states have (on average 1.5459183673469388) internal successors, (303), 199 states have internal predecessors, (303), 0 states have call successors, (0), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 10:50:44,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:44,357 INFO L93 Difference]: Finished difference Result 393 states and 598 transitions. [2021-10-24 10:50:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:50:44,358 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 10:50:44,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:44,379 INFO L225 Difference]: With dead ends: 393 [2021-10-24 10:50:44,379 INFO L226 Difference]: Without dead ends: 196 [2021-10-24 10:50:44,384 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 10:50:44,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-24 10:50:44,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2021-10-24 10:50:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 193 states have (on average 1.5077720207253886) internal successors, (291), 195 states have internal predecessors, (291), 0 states have call successors, (0), 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 10:50:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 291 transitions. [2021-10-24 10:50:44,464 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 291 transitions. Word has length 19 [2021-10-24 10:50:44,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:44,465 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 291 transitions. [2021-10-24 10:50:44,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 10:50:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 291 transitions. [2021-10-24 10:50:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:50:44,469 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:44,469 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] [2021-10-24 10:50:44,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:44,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:44,682 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 10:50:44,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:44,683 INFO L82 PathProgramCache]: Analyzing trace with hash -564882059, now seen corresponding path program 1 times [2021-10-24 10:50:44,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:44,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166470951] [2021-10-24 10:50:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:44,684 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:44,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:44,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:44,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:50:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:44,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:50:44,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:44,950 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 10:50:44,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:45,009 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 10:50:45,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:45,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166470951] [2021-10-24 10:50:45,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166470951] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:45,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:45,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:50:45,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365247233] [2021-10-24 10:50:45,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:50:45,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:45,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:50:45,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:50:45,013 INFO L87 Difference]: Start difference. First operand 196 states and 291 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:45,055 INFO L93 Difference]: Finished difference Result 196 states and 291 transitions. [2021-10-24 10:50:45,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:50:45,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-24 10:50:45,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:45,057 INFO L225 Difference]: With dead ends: 196 [2021-10-24 10:50:45,057 INFO L226 Difference]: Without dead ends: 77 [2021-10-24 10:50:45,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:50:45,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-24 10:50:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-24 10:50:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.486842105263158) internal successors, (113), 76 states have internal predecessors, (113), 0 states have call successors, (0), 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 10:50:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2021-10-24 10:50:45,066 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 20 [2021-10-24 10:50:45,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:45,066 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2021-10-24 10:50:45,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2021-10-24 10:50:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:50:45,071 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:45,076 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 10:50:45,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:45,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:45,289 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 10:50:45,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:45,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1380383743, now seen corresponding path program 1 times [2021-10-24 10:50:45,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:45,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355113854] [2021-10-24 10:50:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:45,302 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:45,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:45,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:45,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:50:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:45,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:50:45,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:45,634 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 10:50:45,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:45,734 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 10:50:45,734 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:45,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355113854] [2021-10-24 10:50:45,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [355113854] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:45,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:45,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:50:45,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371845451] [2021-10-24 10:50:45,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:50:45,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:45,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:50:45,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:50:45,737 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 10:50:45,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:45,763 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2021-10-24 10:50:45,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:50:45,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 10:50:45,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:45,765 INFO L225 Difference]: With dead ends: 243 [2021-10-24 10:50:45,765 INFO L226 Difference]: Without dead ends: 173 [2021-10-24 10:50:45,766 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:50:45,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-24 10:50:45,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 99. [2021-10-24 10:50:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.489795918367347) internal successors, (146), 98 states have internal predecessors, (146), 0 states have call successors, (0), 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 10:50:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2021-10-24 10:50:45,779 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 26 [2021-10-24 10:50:45,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:45,780 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2021-10-24 10:50:45,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 10:50:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-10-24 10:50:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 10:50:45,781 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:45,782 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] [2021-10-24 10:50:45,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:45,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:45,993 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 10:50:45,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:45,994 INFO L82 PathProgramCache]: Analyzing trace with hash -768654137, now seen corresponding path program 1 times [2021-10-24 10:50:45,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:45,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561689335] [2021-10-24 10:50:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:45,995 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:45,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:45,996 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:46,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:50:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:46,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:50:46,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:46,297 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 10:50:46,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:46,405 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 10:50:46,405 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:46,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561689335] [2021-10-24 10:50:46,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561689335] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:46,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:46,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:50:46,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012514091] [2021-10-24 10:50:46,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:50:46,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:46,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:50:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:50:46,409 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 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 10:50:46,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:46,485 INFO L93 Difference]: Finished difference Result 203 states and 301 transitions. [2021-10-24 10:50:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:50:46,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2021-10-24 10:50:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:46,488 INFO L225 Difference]: With dead ends: 203 [2021-10-24 10:50:46,489 INFO L226 Difference]: Without dead ends: 111 [2021-10-24 10:50:46,490 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:50:46,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-24 10:50:46,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2021-10-24 10:50:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.4259259259259258) internal successors, (154), 108 states have internal predecessors, (154), 0 states have call successors, (0), 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 10:50:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2021-10-24 10:50:46,528 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 29 [2021-10-24 10:50:46,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:46,529 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2021-10-24 10:50:46,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 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 10:50:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2021-10-24 10:50:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 10:50:46,530 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:46,531 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] [2021-10-24 10:50:46,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:46,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:46,743 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 10:50:46,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:46,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1648863158, now seen corresponding path program 1 times [2021-10-24 10:50:46,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:46,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777592332] [2021-10-24 10:50:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:46,745 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:46,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:46,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:46,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:50:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:46,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:50:46,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:47,063 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 10:50:47,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:47,126 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 10:50:47,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:47,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777592332] [2021-10-24 10:50:47,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777592332] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:47,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:47,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:50:47,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309712813] [2021-10-24 10:50:47,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:50:47,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:50:47,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:50:47,129 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 10:50:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:47,355 INFO L93 Difference]: Finished difference Result 352 states and 498 transitions. [2021-10-24 10:50:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:50:47,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2021-10-24 10:50:47,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:47,358 INFO L225 Difference]: With dead ends: 352 [2021-10-24 10:50:47,358 INFO L226 Difference]: Without dead ends: 250 [2021-10-24 10:50:47,360 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 56.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:50:47,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-10-24 10:50:47,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 107. [2021-10-24 10:50:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.3962264150943395) internal successors, (148), 106 states have internal predecessors, (148), 0 states have call successors, (0), 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 10:50:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 148 transitions. [2021-10-24 10:50:47,375 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 148 transitions. Word has length 29 [2021-10-24 10:50:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:47,375 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 148 transitions. [2021-10-24 10:50:47,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 10:50:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2021-10-24 10:50:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:50:47,377 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:47,377 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] [2021-10-24 10:50:47,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:47,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:47,593 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 10:50:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:47,594 INFO L82 PathProgramCache]: Analyzing trace with hash -562091259, now seen corresponding path program 1 times [2021-10-24 10:50:47,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:47,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539767689] [2021-10-24 10:50:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:47,595 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:47,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:47,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:47,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:50:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:47,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:50:47,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:47,936 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 10:50:47,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:48,014 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 10:50:48,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:48,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539767689] [2021-10-24 10:50:48,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539767689] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:48,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:48,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:50:48,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625698281] [2021-10-24 10:50:48,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:50:48,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:48,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:50:48,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:50:48,016 INFO L87 Difference]: Start difference. First operand 107 states and 148 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 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 10:50:48,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:48,113 INFO L93 Difference]: Finished difference Result 305 states and 420 transitions. [2021-10-24 10:50:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:50:48,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2021-10-24 10:50:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:48,115 INFO L225 Difference]: With dead ends: 305 [2021-10-24 10:50:48,115 INFO L226 Difference]: Without dead ends: 205 [2021-10-24 10:50:48,115 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:50:48,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-24 10:50:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 116. [2021-10-24 10:50:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.3652173913043477) internal successors, (157), 115 states have internal predecessors, (157), 0 states have call successors, (0), 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 10:50:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 157 transitions. [2021-10-24 10:50:48,138 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 157 transitions. Word has length 35 [2021-10-24 10:50:48,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:48,138 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 157 transitions. [2021-10-24 10:50:48,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 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 10:50:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 157 transitions. [2021-10-24 10:50:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:50:48,140 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:48,140 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] [2021-10-24 10:50:48,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:48,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:48,348 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 10:50:48,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:48,349 INFO L82 PathProgramCache]: Analyzing trace with hash 138973319, now seen corresponding path program 1 times [2021-10-24 10:50:48,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:48,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707093166] [2021-10-24 10:50:48,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:48,350 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:48,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:48,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:48,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:50:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:48,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:50:48,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:48,680 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 10:50:48,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:48,756 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 10:50:48,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:48,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707093166] [2021-10-24 10:50:48,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707093166] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:48,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:48,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:50:48,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382040908] [2021-10-24 10:50:48,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:50:48,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:48,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:50:48,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:50:48,759 INFO L87 Difference]: Start difference. First operand 116 states and 157 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:48,832 INFO L93 Difference]: Finished difference Result 330 states and 445 transitions. [2021-10-24 10:50:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:50:48,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 10:50:48,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:48,834 INFO L225 Difference]: With dead ends: 330 [2021-10-24 10:50:48,835 INFO L226 Difference]: Without dead ends: 221 [2021-10-24 10:50:48,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:50:48,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-24 10:50:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 122. [2021-10-24 10:50:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.3471074380165289) internal successors, (163), 121 states have internal predecessors, (163), 0 states have call successors, (0), 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 10:50:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2021-10-24 10:50:48,852 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 35 [2021-10-24 10:50:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:48,852 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 163 transitions. [2021-10-24 10:50:48,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions. [2021-10-24 10:50:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:50:48,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:48,854 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] [2021-10-24 10:50:48,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:49,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:49,067 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 10:50:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash -447832695, now seen corresponding path program 1 times [2021-10-24 10:50:49,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:49,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379906124] [2021-10-24 10:50:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:49,069 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:49,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:49,070 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:49,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:50:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:49,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:50:49,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:49,459 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 10:50:49,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:49,565 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 10:50:49,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:49,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379906124] [2021-10-24 10:50:49,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379906124] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:49,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:49,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:50:49,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532692537] [2021-10-24 10:50:49,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:50:49,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:49,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:50:49,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:50:49,567 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 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 10:50:49,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:49,663 INFO L93 Difference]: Finished difference Result 382 states and 515 transitions. [2021-10-24 10:50:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:50:49,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 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 35 [2021-10-24 10:50:49,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:49,665 INFO L225 Difference]: With dead ends: 382 [2021-10-24 10:50:49,665 INFO L226 Difference]: Without dead ends: 267 [2021-10-24 10:50:49,668 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:50:49,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-10-24 10:50:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 214. [2021-10-24 10:50:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.3380281690140845) internal successors, (285), 213 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 285 transitions. [2021-10-24 10:50:49,709 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 285 transitions. Word has length 35 [2021-10-24 10:50:49,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:49,710 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 285 transitions. [2021-10-24 10:50:49,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 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 10:50:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 285 transitions. [2021-10-24 10:50:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:50:49,716 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:49,717 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 10:50:49,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:49,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:49,929 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 10:50:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:49,930 INFO L82 PathProgramCache]: Analyzing trace with hash -772491191, now seen corresponding path program 1 times [2021-10-24 10:50:49,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:49,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401949871] [2021-10-24 10:50:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:49,931 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:49,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:49,933 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:49,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:50:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:50,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:50:50,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:50,337 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 10:50:50,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:50,456 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 10:50:50,457 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:50,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401949871] [2021-10-24 10:50:50,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401949871] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:50,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:50,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:50:50,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731285070] [2021-10-24 10:50:50,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:50:50,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:50,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:50:50,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:50:50,459 INFO L87 Difference]: Start difference. First operand 214 states and 285 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 10:50:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:51,973 INFO L93 Difference]: Finished difference Result 1070 states and 1439 transitions. [2021-10-24 10:50:51,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:50:51,974 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 10:50:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:51,979 INFO L225 Difference]: With dead ends: 1070 [2021-10-24 10:50:51,979 INFO L226 Difference]: Without dead ends: 863 [2021-10-24 10:50:51,980 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 61.6ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:50:51,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2021-10-24 10:50:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 381. [2021-10-24 10:50:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 380 states have (on average 1.318421052631579) internal successors, (501), 380 states have internal predecessors, (501), 0 states have call successors, (0), 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 10:50:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 501 transitions. [2021-10-24 10:50:52,041 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 501 transitions. Word has length 36 [2021-10-24 10:50:52,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:52,042 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 501 transitions. [2021-10-24 10:50:52,042 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 10:50:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 501 transitions. [2021-10-24 10:50:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 10:50:52,043 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:52,044 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, 1, 1, 1, 1, 1] [2021-10-24 10:50:52,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:52,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:52,256 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 10:50:52,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:52,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1857199661, now seen corresponding path program 1 times [2021-10-24 10:50:52,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:52,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369342028] [2021-10-24 10:50:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:52,258 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:52,259 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:52,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:50:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:52,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:50:52,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 10:50:52,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 10:50:53,087 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:53,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369342028] [2021-10-24 10:50:53,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369342028] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:50:53,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [297989703] [2021-10-24 10:50:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:53,088 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:50:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:50:53,090 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:50:53,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 10:50:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:53,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:50:53,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:53,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:53,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [297989703] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:50:53,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641916413] [2021-10-24 10:50:53,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:53,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:50:53,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:50:53,957 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:50:53,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 10:50:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:54,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:50:54,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:54,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:54,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641916413] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:50:54,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:50:54,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-24 10:50:54,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135758475] [2021-10-24 10:50:54,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-24 10:50:54,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-24 10:50:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:50:54,653 INFO L87 Difference]: Start difference. First operand 381 states and 501 transitions. Second operand has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 0 states have call successors, (0), 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 10:51:04,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:51:04,995 INFO L93 Difference]: Finished difference Result 3418 states and 4608 transitions. [2021-10-24 10:51:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-10-24 10:51:04,995 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 0 states have call successors, (0), 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 63 [2021-10-24 10:51:04,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:51:05,013 INFO L225 Difference]: With dead ends: 3418 [2021-10-24 10:51:05,013 INFO L226 Difference]: Without dead ends: 3044 [2021-10-24 10:51:05,020 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5175 ImplicationChecksByTransitivity, 2132.5ms TimeCoverageRelationStatistics Valid=2059, Invalid=10823, Unknown=0, NotChecked=0, Total=12882 [2021-10-24 10:51:05,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2021-10-24 10:51:05,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 518. [2021-10-24 10:51:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 517 states have (on average 1.3017408123791103) internal successors, (673), 517 states have internal predecessors, (673), 0 states have call successors, (0), 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 10:51:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 673 transitions. [2021-10-24 10:51:05,124 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 673 transitions. Word has length 63 [2021-10-24 10:51:05,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:51:05,125 INFO L470 AbstractCegarLoop]: Abstraction has 518 states and 673 transitions. [2021-10-24 10:51:05,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 0 states have call successors, (0), 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 10:51:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 673 transitions. [2021-10-24 10:51:05,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-24 10:51:05,127 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:51:05,128 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 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] [2021-10-24 10:51:05,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:05,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:05,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:05,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:51:05,731 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 10:51:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:51:05,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1198890342, now seen corresponding path program 1 times [2021-10-24 10:51:05,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:51:05,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774241317] [2021-10-24 10:51:05,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:51:05,733 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:51:05,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:51:05,734 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:51:05,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:51:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:51:06,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:51:06,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:51:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-24 10:51:06,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:51:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-24 10:51:06,586 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:51:06,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774241317] [2021-10-24 10:51:06,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774241317] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:51:06,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:51:06,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:51:06,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259234172] [2021-10-24 10:51:06,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:51:06,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:51:06,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:51:06,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:51:06,588 INFO L87 Difference]: Start difference. First operand 518 states and 673 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 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 10:51:06,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:51:06,693 INFO L93 Difference]: Finished difference Result 849 states and 1092 transitions. [2021-10-24 10:51:06,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:51:06,694 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 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 107 [2021-10-24 10:51:06,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:51:06,695 INFO L225 Difference]: With dead ends: 849 [2021-10-24 10:51:06,696 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:51:06,697 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.0ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:51:06,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:51:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:51:06,697 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 10:51:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:51:06,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2021-10-24 10:51:06,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:51:06,698 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:51:06,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 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 10:51:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:51:06,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:51:06,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:06,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:06,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:06,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:06,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:51:06,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:51:06,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:06,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:07,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:08,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:14,740 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2021-10-24 10:51:14,740 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2021-10-24 10:51:14,740 INFO L853 garLoopResultBuilder]: At program point L597-1(lines 597 603) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-10-24 10:51:14,741 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-24 10:51:14,741 INFO L857 garLoopResultBuilder]: For program point L432-1(lines 432 436) no Hoare annotation was computed. [2021-10-24 10:51:14,741 INFO L853 garLoopResultBuilder]: At program point L895(lines 890 898) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-24 10:51:14,741 INFO L853 garLoopResultBuilder]: At program point L895-1(lines 890 898) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:51:14,741 INFO L853 garLoopResultBuilder]: At program point L895-2(lines 890 898) the Hoare annotation is: false [2021-10-24 10:51:14,741 INFO L853 garLoopResultBuilder]: At program point L895-3(lines 890 898) the Hoare annotation is: false [2021-10-24 10:51:14,741 INFO L853 garLoopResultBuilder]: At program point L895-4(lines 890 898) the Hoare annotation is: false [2021-10-24 10:51:14,741 INFO L853 garLoopResultBuilder]: At program point L895-5(lines 890 898) the Hoare annotation is: false [2021-10-24 10:51:14,741 INFO L853 garLoopResultBuilder]: At program point L995(lines 990 997) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:51:14,741 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,741 INFO L857 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,742 INFO L857 garLoopResultBuilder]: For program point L963-3(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,742 INFO L857 garLoopResultBuilder]: For program point L963-5(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,742 INFO L853 garLoopResultBuilder]: At program point L765(lines 765 771) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-10-24 10:51:14,742 INFO L857 garLoopResultBuilder]: For program point L963-6(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,742 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 765 771) the Hoare annotation is: false [2021-10-24 10:51:14,742 INFO L857 garLoopResultBuilder]: For program point L963-8(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,743 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 765 771) the Hoare annotation is: false [2021-10-24 10:51:14,743 INFO L857 garLoopResultBuilder]: For program point L963-9(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,743 INFO L857 garLoopResultBuilder]: For program point L963-11(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,743 INFO L857 garLoopResultBuilder]: For program point L963-12(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,743 INFO L857 garLoopResultBuilder]: For program point L963-14(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,743 INFO L857 garLoopResultBuilder]: For program point L963-15(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,743 INFO L857 garLoopResultBuilder]: For program point L963-17(lines 963 967) no Hoare annotation was computed. [2021-10-24 10:51:14,743 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 674) no Hoare annotation was computed. [2021-10-24 10:51:14,744 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2021-10-24 10:51:14,744 INFO L853 garLoopResultBuilder]: At program point L969(lines 954 972) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:51:14,744 INFO L853 garLoopResultBuilder]: At program point L969-1(lines 954 972) the Hoare annotation is: false [2021-10-24 10:51:14,744 INFO L853 garLoopResultBuilder]: At program point L969-2(lines 954 972) the Hoare annotation is: false [2021-10-24 10:51:14,744 INFO L853 garLoopResultBuilder]: At program point L969-3(lines 954 972) the Hoare annotation is: false [2021-10-24 10:51:14,744 INFO L853 garLoopResultBuilder]: At program point L969-4(lines 954 972) the Hoare annotation is: false [2021-10-24 10:51:14,745 INFO L853 garLoopResultBuilder]: At program point L969-5(lines 954 972) the Hoare annotation is: false [2021-10-24 10:51:14,745 INFO L853 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:51:14,745 INFO L853 garLoopResultBuilder]: At program point L738-1(lines 733 741) the Hoare annotation is: false [2021-10-24 10:51:14,745 INFO L853 garLoopResultBuilder]: At program point L738-2(lines 733 741) the Hoare annotation is: false [2021-10-24 10:51:14,745 INFO L853 garLoopResultBuilder]: At program point L738-3(lines 733 741) the Hoare annotation is: false [2021-10-24 10:51:14,745 INFO L853 garLoopResultBuilder]: At program point L738-4(lines 733 741) the Hoare annotation is: false [2021-10-24 10:51:14,746 INFO L853 garLoopResultBuilder]: At program point L738-5(lines 733 741) the Hoare annotation is: false [2021-10-24 10:51:14,746 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2021-10-24 10:51:14,746 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-10-24 10:51:14,746 INFO L860 garLoopResultBuilder]: At program point L508-1(lines 508 515) the Hoare annotation is: true [2021-10-24 10:51:14,746 INFO L853 garLoopResultBuilder]: At program point L1005(lines 758 764) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-24 10:51:14,746 INFO L853 garLoopResultBuilder]: At program point L1005-1(lines 758 764) the Hoare annotation is: false [2021-10-24 10:51:14,747 INFO L853 garLoopResultBuilder]: At program point L1005-2(lines 758 764) the Hoare annotation is: false [2021-10-24 10:51:14,747 INFO L853 garLoopResultBuilder]: At program point L544(lines 1 1036) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:51:14,747 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 859) no Hoare annotation was computed. [2021-10-24 10:51:14,747 INFO L857 garLoopResultBuilder]: For program point L842-1(lines 842 859) no Hoare annotation was computed. [2021-10-24 10:51:14,747 INFO L857 garLoopResultBuilder]: For program point L842-2(lines 842 859) no Hoare annotation was computed. [2021-10-24 10:51:14,747 INFO L857 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2021-10-24 10:51:14,748 INFO L853 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:51:14,748 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2021-10-24 10:51:14,748 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 650) no Hoare annotation was computed. [2021-10-24 10:51:14,748 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2021-10-24 10:51:14,748 INFO L853 garLoopResultBuilder]: At program point L613-1(lines 613 619) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-24 10:51:14,749 INFO L857 garLoopResultBuilder]: For program point L646-3(lines 646 650) no Hoare annotation was computed. [2021-10-24 10:51:14,749 INFO L857 garLoopResultBuilder]: For program point L646-6(lines 646 650) no Hoare annotation was computed. [2021-10-24 10:51:14,749 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2021-10-24 10:51:14,749 INFO L853 garLoopResultBuilder]: At program point L977-1(lines 977 983) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2021-10-24 10:51:14,749 INFO L857 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,749 INFO L857 garLoopResultBuilder]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,750 INFO L857 garLoopResultBuilder]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,750 INFO L857 garLoopResultBuilder]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,750 INFO L857 garLoopResultBuilder]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,750 INFO L857 garLoopResultBuilder]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,750 INFO L857 garLoopResultBuilder]: For program point L944-9(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,750 INFO L857 garLoopResultBuilder]: For program point L944-11(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,750 INFO L857 garLoopResultBuilder]: For program point L944-12(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,751 INFO L857 garLoopResultBuilder]: For program point L944-14(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,751 INFO L857 garLoopResultBuilder]: For program point L944-15(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,751 INFO L857 garLoopResultBuilder]: For program point L944-17(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,751 INFO L857 garLoopResultBuilder]: For program point L944-18(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,751 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:51:14,751 INFO L857 garLoopResultBuilder]: For program point L944-20(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,752 INFO L857 garLoopResultBuilder]: For program point L944-21(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,752 INFO L857 garLoopResultBuilder]: For program point L944-23(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,752 INFO L857 garLoopResultBuilder]: For program point L944-24(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,752 INFO L857 garLoopResultBuilder]: For program point L944-26(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,752 INFO L857 garLoopResultBuilder]: For program point L944-27(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,752 INFO L857 garLoopResultBuilder]: For program point L944-29(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,752 INFO L857 garLoopResultBuilder]: For program point L944-30(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,753 INFO L857 garLoopResultBuilder]: For program point L944-32(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,753 INFO L857 garLoopResultBuilder]: For program point L944-33(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,753 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 854) no Hoare annotation was computed. [2021-10-24 10:51:14,753 INFO L857 garLoopResultBuilder]: For program point L846-1(lines 846 854) no Hoare annotation was computed. [2021-10-24 10:51:14,753 INFO L857 garLoopResultBuilder]: For program point L944-35(lines 944 948) no Hoare annotation was computed. [2021-10-24 10:51:14,753 INFO L857 garLoopResultBuilder]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2021-10-24 10:51:14,754 INFO L853 garLoopResultBuilder]: At program point L715(lines 710 718) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse5))) [2021-10-24 10:51:14,754 INFO L853 garLoopResultBuilder]: At program point L715-1(lines 710 718) the Hoare annotation is: false [2021-10-24 10:51:14,754 INFO L853 garLoopResultBuilder]: At program point L715-2(lines 710 718) the Hoare annotation is: false [2021-10-24 10:51:14,754 INFO L860 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-10-24 10:51:14,754 INFO L853 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:51:14,755 INFO L853 garLoopResultBuilder]: At program point L683-1(lines 678 686) the Hoare annotation is: false [2021-10-24 10:51:14,755 INFO L853 garLoopResultBuilder]: At program point L683-2(lines 678 686) the Hoare annotation is: false [2021-10-24 10:51:14,755 INFO L857 garLoopResultBuilder]: For program point L816(lines 816 833) no Hoare annotation was computed. [2021-10-24 10:51:14,755 INFO L857 garLoopResultBuilder]: For program point L816-1(lines 816 833) no Hoare annotation was computed. [2021-10-24 10:51:14,755 INFO L857 garLoopResultBuilder]: For program point L816-2(lines 816 833) no Hoare annotation was computed. [2021-10-24 10:51:14,755 INFO L857 garLoopResultBuilder]: For program point L816-3(lines 816 833) no Hoare annotation was computed. [2021-10-24 10:51:14,756 INFO L857 garLoopResultBuilder]: For program point L816-4(lines 816 833) no Hoare annotation was computed. [2021-10-24 10:51:14,756 INFO L857 garLoopResultBuilder]: For program point L816-5(lines 816 833) no Hoare annotation was computed. [2021-10-24 10:51:14,756 INFO L853 garLoopResultBuilder]: At program point L552(lines 547 555) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:51:14,756 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:51:14,756 INFO L857 garLoopResultBuilder]: For program point L1016(lines 1016 1033) no Hoare annotation was computed. [2021-10-24 10:51:14,756 INFO L853 garLoopResultBuilder]: At program point L1016-1(lines 1 1036) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~10)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse6 .cse5) (and .cse0 .cse2 .cse7 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse6 .cse4))) [2021-10-24 10:51:14,757 INFO L853 garLoopResultBuilder]: At program point L950(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,757 INFO L857 garLoopResultBuilder]: For program point L1016-2(lines 1016 1033) no Hoare annotation was computed. [2021-10-24 10:51:14,757 INFO L853 garLoopResultBuilder]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,757 INFO L853 garLoopResultBuilder]: At program point L1016-3(lines 1 1036) the Hoare annotation is: false [2021-10-24 10:51:14,757 INFO L853 garLoopResultBuilder]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,757 INFO L857 garLoopResultBuilder]: For program point L1016-4(lines 1016 1033) no Hoare annotation was computed. [2021-10-24 10:51:14,758 INFO L853 garLoopResultBuilder]: At program point L950-3(lines 935 953) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-24 10:51:14,758 INFO L853 garLoopResultBuilder]: At program point L1016-5(lines 1 1036) the Hoare annotation is: false [2021-10-24 10:51:14,758 INFO L853 garLoopResultBuilder]: At program point L950-4(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,758 INFO L853 garLoopResultBuilder]: At program point L950-5(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,758 INFO L853 garLoopResultBuilder]: At program point L950-6(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,758 INFO L853 garLoopResultBuilder]: At program point L950-7(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,759 INFO L853 garLoopResultBuilder]: At program point L950-8(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,759 INFO L853 garLoopResultBuilder]: At program point L950-9(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,759 INFO L853 garLoopResultBuilder]: At program point L950-10(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,759 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-10-24 10:51:14,759 INFO L853 garLoopResultBuilder]: At program point L950-11(lines 935 953) the Hoare annotation is: false [2021-10-24 10:51:14,759 INFO L853 garLoopResultBuilder]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-10-24 10:51:14,760 INFO L853 garLoopResultBuilder]: At program point L886(lines 879 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:51:14,760 INFO L853 garLoopResultBuilder]: At program point L886-1(lines 879 889) the Hoare annotation is: false [2021-10-24 10:51:14,760 INFO L857 garLoopResultBuilder]: For program point L820(lines 820 828) no Hoare annotation was computed. [2021-10-24 10:51:14,760 INFO L853 garLoopResultBuilder]: At program point L886-2(lines 879 889) the Hoare annotation is: false [2021-10-24 10:51:14,760 INFO L857 garLoopResultBuilder]: For program point L820-1(lines 820 828) no Hoare annotation was computed. [2021-10-24 10:51:14,760 INFO L857 garLoopResultBuilder]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2021-10-24 10:51:14,761 INFO L857 garLoopResultBuilder]: For program point L820-3(lines 820 828) no Hoare annotation was computed. [2021-10-24 10:51:14,761 INFO L857 garLoopResultBuilder]: For program point L820-4(lines 820 828) no Hoare annotation was computed. [2021-10-24 10:51:14,761 INFO L857 garLoopResultBuilder]: For program point L820-5(lines 820 828) no Hoare annotation was computed. [2021-10-24 10:51:14,761 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:51:14,761 INFO L857 garLoopResultBuilder]: For program point L1020(lines 1020 1030) no Hoare annotation was computed. [2021-10-24 10:51:14,761 INFO L857 garLoopResultBuilder]: For program point L1020-2(lines 1020 1030) no Hoare annotation was computed. [2021-10-24 10:51:14,762 INFO L857 garLoopResultBuilder]: For program point L1020-4(lines 1020 1030) no Hoare annotation was computed. [2021-10-24 10:51:14,762 INFO L857 garLoopResultBuilder]: For program point L723(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,762 INFO L857 garLoopResultBuilder]: For program point L723-1(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,762 INFO L857 garLoopResultBuilder]: For program point L723-2(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,762 INFO L857 garLoopResultBuilder]: For program point L723-3(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,762 INFO L857 garLoopResultBuilder]: For program point L723-4(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,762 INFO L857 garLoopResultBuilder]: For program point L723-5(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,763 INFO L857 garLoopResultBuilder]: For program point L723-6(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,763 INFO L857 garLoopResultBuilder]: For program point L723-7(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,763 INFO L857 garLoopResultBuilder]: For program point L723-8(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,763 INFO L857 garLoopResultBuilder]: For program point L723-9(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,763 INFO L857 garLoopResultBuilder]: For program point L723-10(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,763 INFO L857 garLoopResultBuilder]: For program point L723-11(lines 723 729) no Hoare annotation was computed. [2021-10-24 10:51:14,764 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1027) no Hoare annotation was computed. [2021-10-24 10:51:14,764 INFO L857 garLoopResultBuilder]: For program point L1021-2(lines 1021 1027) no Hoare annotation was computed. [2021-10-24 10:51:14,764 INFO L857 garLoopResultBuilder]: For program point L1021-4(lines 1021 1027) no Hoare annotation was computed. [2021-10-24 10:51:14,764 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,764 INFO L857 garLoopResultBuilder]: For program point L790-1(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,764 INFO L857 garLoopResultBuilder]: For program point L790-2(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,765 INFO L857 garLoopResultBuilder]: For program point L790-3(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,765 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 662) no Hoare annotation was computed. [2021-10-24 10:51:14,765 INFO L857 garLoopResultBuilder]: For program point L790-4(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,765 INFO L853 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2021-10-24 10:51:14,765 INFO L857 garLoopResultBuilder]: For program point L790-5(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,765 INFO L857 garLoopResultBuilder]: For program point L790-6(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,765 INFO L857 garLoopResultBuilder]: For program point L790-7(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,766 INFO L857 garLoopResultBuilder]: For program point L790-8(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,766 INFO L857 garLoopResultBuilder]: For program point L790-9(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,766 INFO L857 garLoopResultBuilder]: For program point L790-10(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,766 INFO L857 garLoopResultBuilder]: For program point L790-11(lines 790 807) no Hoare annotation was computed. [2021-10-24 10:51:14,766 INFO L853 garLoopResultBuilder]: At program point L758(lines 754 776) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3))) [2021-10-24 10:51:14,766 INFO L853 garLoopResultBuilder]: At program point L758-1(lines 754 776) the Hoare annotation is: false [2021-10-24 10:51:14,767 INFO L853 garLoopResultBuilder]: At program point L758-2(lines 754 776) the Hoare annotation is: false [2021-10-24 10:51:14,767 INFO L853 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2021-10-24 10:51:14,767 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:51:14,767 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2021-10-24 10:51:14,767 INFO L857 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-10-24 10:51:14,767 INFO L857 garLoopResultBuilder]: For program point L561-1(line 561) no Hoare annotation was computed. [2021-10-24 10:51:14,768 INFO L857 garLoopResultBuilder]: For program point L561-2(line 561) no Hoare annotation was computed. [2021-10-24 10:51:14,768 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-24 10:51:14,768 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,768 INFO L857 garLoopResultBuilder]: For program point L794-1(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,768 INFO L853 garLoopResultBuilder]: At program point L728(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,768 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,769 INFO L853 garLoopResultBuilder]: At program point L728-1(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,769 INFO L857 garLoopResultBuilder]: For program point L794-3(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,769 INFO L853 garLoopResultBuilder]: At program point L728-2(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,769 INFO L857 garLoopResultBuilder]: For program point L794-4(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,769 INFO L853 garLoopResultBuilder]: At program point L728-3(lines 719 732) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:51:14,769 INFO L857 garLoopResultBuilder]: For program point L794-5(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,770 INFO L853 garLoopResultBuilder]: At program point L728-4(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,770 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,770 INFO L853 garLoopResultBuilder]: At program point L728-5(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,770 INFO L857 garLoopResultBuilder]: For program point L794-7(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,770 INFO L853 garLoopResultBuilder]: At program point L728-6(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,770 INFO L857 garLoopResultBuilder]: For program point L794-8(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,770 INFO L853 garLoopResultBuilder]: At program point L728-7(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,771 INFO L857 garLoopResultBuilder]: For program point L794-9(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,771 INFO L853 garLoopResultBuilder]: At program point L728-8(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,771 INFO L857 garLoopResultBuilder]: For program point L794-10(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,771 INFO L853 garLoopResultBuilder]: At program point L728-9(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,771 INFO L857 garLoopResultBuilder]: For program point L794-11(lines 794 802) no Hoare annotation was computed. [2021-10-24 10:51:14,771 INFO L853 garLoopResultBuilder]: At program point L728-10(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,772 INFO L853 garLoopResultBuilder]: At program point L728-11(lines 719 732) the Hoare annotation is: false [2021-10-24 10:51:14,775 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:51:14,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:51:14 BoogieIcfgContainer [2021-10-24 10:51:14,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:51:14,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:51:14,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:51:14,811 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:51:14,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:50:43" (3/4) ... [2021-10-24 10:51:14,814 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:51:14,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:51:14,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:51:14,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:51:14,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:51:14,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:51:14,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:51:14,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:51:14,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) [2021-10-24 10:51:14,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-24 10:51:14,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-24 10:51:14,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:51:14,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:51:14,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:51:14,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-24 10:51:14,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:51:14,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-10-24 10:51:14,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-10-24 10:51:14,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:51:14,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:51:14,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:51:14,885 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-10-24 10:51:14,886 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && tmp___0 == 1bv32) && 1bv32 == \result [2021-10-24 10:51:14,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:51:14,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:51:14,970 INFO L168 Benchmark]: Toolchain (without parser) took 34896.84 ms. Allocated memory was 73.4 MB in the beginning and 155.2 MB in the end (delta: 81.8 MB). Free memory was 53.8 MB in the beginning and 122.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 97.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:14,971 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:51:14,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.36 ms. Allocated memory is still 73.4 MB. Free memory was 53.6 MB in the beginning and 40.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:14,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.66 ms. Allocated memory is still 73.4 MB. Free memory was 40.5 MB in the beginning and 35.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:14,972 INFO L168 Benchmark]: Boogie Preprocessor took 127.34 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 35.6 MB in the beginning and 88.3 MB in the end (delta: -52.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:14,972 INFO L168 Benchmark]: RCFGBuilder took 2609.66 ms. Allocated memory is still 109.1 MB. Free memory was 88.3 MB in the beginning and 57.4 MB in the end (delta: 30.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:14,973 INFO L168 Benchmark]: TraceAbstraction took 31117.99 ms. Allocated memory was 109.1 MB in the beginning and 155.2 MB in the end (delta: 46.1 MB). Free memory was 56.9 MB in the beginning and 51.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:14,973 INFO L168 Benchmark]: Witness Printer took 158.40 ms. Allocated memory is still 155.2 MB. Free memory was 51.5 MB in the beginning and 122.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:14,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 750.36 ms. Allocated memory is still 73.4 MB. Free memory was 53.6 MB in the beginning and 40.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.66 ms. Allocated memory is still 73.4 MB. Free memory was 40.5 MB in the beginning and 35.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 127.34 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 35.6 MB in the beginning and 88.3 MB in the end (delta: -52.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2609.66 ms. Allocated memory is still 109.1 MB. Free memory was 88.3 MB in the beginning and 57.4 MB in the end (delta: 30.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31117.99 ms. Allocated memory was 109.1 MB in the beginning and 155.2 MB in the end (delta: 46.1 MB). Free memory was 56.9 MB in the beginning and 51.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. * Witness Printer took 158.40 ms. Allocated memory is still 155.2 MB. Free memory was 51.5 MB in the beginning and 122.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 561]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 561]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 561]: 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, 200 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 31002.4ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 47.8ms, AutomataDifference: 12767.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7824.3ms, InitialAbstractionConstructionTime: 16.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1789 SDtfs, 4096 SDslu, 4624 SDs, 0 SdLazy, 1108 SolverSat, 278 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9138.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1293 GetRequests, 1140 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5192 ImplicationChecksByTransitivity, 2391.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=518occurred in iteration=10, InterpolantAutomatonStates: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 383.8ms AutomataMinimizationTime, 11 MinimizatonAttempts, 3468 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 75 LocationsWithAnnotation, 75 PreInvPairs, 228 NumberOfFragments, 867 HoareAnnotationTreeSize, 75 FomulaSimplifications, 672789 FormulaSimplificationTreeSizeReduction, 1781.1ms HoareSimplificationTime, 75 FomulaSimplificationsInter, 387735 FormulaSimplificationTreeSizeReductionInter, 6023.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 277.7ms SsaConstructionTime, 1348.6ms SatisfiabilityAnalysisTime, 3641.1ms InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1094 ConstructedInterpolants, 0 QuantifiedInterpolants, 2112 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2950 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 288/312 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: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-24 10:51:15,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87abc678-97ae-4f9b-991f-9f8dc4b49ef8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...