./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:05:59,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:05:59,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:05:59,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:05:59,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:05:59,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:05:59,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:05:59,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:05:59,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:05:59,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:05:59,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:05:59,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:05:59,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:05:59,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:05:59,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:05:59,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:05:59,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:05:59,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:05:59,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:05:59,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:05:59,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:05:59,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:05:59,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:05:59,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:05:59,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:05:59,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:05:59,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:05:59,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:05:59,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:05:59,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:05:59,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:05:59,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:05:59,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:05:59,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:05:59,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:05:59,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:05:59,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:05:59,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:05:59,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:05:59,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:05:59,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:05:59,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:05:59,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:05:59,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:05:59,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:05:59,786 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:05:59,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:05:59,787 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:05:59,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:05:59,787 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:05:59,787 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:05:59,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:05:59,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:05:59,789 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:05:59,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:05:59,790 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:05:59,790 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:05:59,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:05:59,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:05:59,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:05:59,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:05:59,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:05:59,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:05:59,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:05:59,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:05:59,793 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:05:59,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:05:59,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:05:59,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:05:59,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:05:59,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:05:59,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:05:59,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:05:59,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:05:59,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:05:59,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:05:59,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:05:59,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:05:59,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:05:59,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:05:59,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:05:59,806 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_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 [2021-11-07 02:06:00,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:06:00,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:06:00,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:06:00,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:06:00,135 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:06:00,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-11-07 02:06:00,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/f870db1a1/ea5f6d2d2da746e9b5f0fa12a2ae1952/FLAG61ba35ec9 [2021-11-07 02:06:00,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:06:00,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-11-07 02:06:00,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/f870db1a1/ea5f6d2d2da746e9b5f0fa12a2ae1952/FLAG61ba35ec9 [2021-11-07 02:06:01,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/f870db1a1/ea5f6d2d2da746e9b5f0fa12a2ae1952 [2021-11-07 02:06:01,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:06:01,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:06:01,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:06:01,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:06:01,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:06:01,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:01" (1/1) ... [2021-11-07 02:06:01,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5a5734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:01, skipping insertion in model container [2021-11-07 02:06:01,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:01" (1/1) ... [2021-11-07 02:06:01,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:06:01,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:06:01,439 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_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-11-07 02:06:01,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:06:01,460 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:06:01,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35885382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:01, skipping insertion in model container [2021-11-07 02:06:01,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:06:01,463 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:06:01,466 INFO L168 Benchmark]: Toolchain (without parser) took 336.09 ms. Allocated memory is still 86.0 MB. Free memory was 49.6 MB in the beginning and 35.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:01,468 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 66.7 MB in the beginning and 66.6 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:06:01,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.44 ms. Allocated memory is still 86.0 MB. Free memory was 49.4 MB in the beginning and 35.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:01,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 66.7 MB in the beginning and 66.6 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 333.44 ms. Allocated memory is still 86.0 MB. Free memory was 49.4 MB in the beginning and 35.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 189]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:06:03,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:06:03,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:06:03,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:06:03,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:06:03,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:06:03,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:06:03,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:06:03,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:06:03,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:06:03,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:06:03,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:06:03,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:06:03,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:06:03,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:06:03,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:06:03,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:06:03,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:06:03,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:06:03,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:06:03,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:06:03,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:06:03,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:06:03,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:06:03,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:06:03,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:06:03,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:06:03,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:06:03,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:06:03,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:06:03,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:06:03,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:06:03,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:06:03,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:06:03,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:06:03,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:06:03,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:06:03,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:06:03,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:06:03,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:06:03,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:06:03,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:06:03,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:06:03,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:06:03,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:06:03,983 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:06:03,984 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:06:03,984 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:06:03,984 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:06:03,985 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:06:03,985 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:06:03,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:06:03,987 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:06:03,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:06:03,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:06:03,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:06:03,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:06:03,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:06:03,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:06:03,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:06:03,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:06:03,990 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:06:03,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:06:03,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:06:03,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:06:03,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:06:03,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:06:03,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:06:03,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:06:03,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:06:03,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:06:03,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:06:03,993 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:06:03,993 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:06:03,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:06:03,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:06:03,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:06:03,994 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_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 [2021-11-07 02:06:04,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:06:04,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:06:04,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:06:04,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:06:04,410 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:06:04,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-11-07 02:06:04,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/6edea6d2f/0c38fffa730945bf98953a8c7dd21ced/FLAG6e55448d0 [2021-11-07 02:06:05,124 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:06:05,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-11-07 02:06:05,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/6edea6d2f/0c38fffa730945bf98953a8c7dd21ced/FLAG6e55448d0 [2021-11-07 02:06:05,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/data/6edea6d2f/0c38fffa730945bf98953a8c7dd21ced [2021-11-07 02:06:05,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:06:05,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:06:05,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:06:05,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:06:05,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:06:05,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:05" (1/1) ... [2021-11-07 02:06:05,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342debb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:05, skipping insertion in model container [2021-11-07 02:06:05,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:05" (1/1) ... [2021-11-07 02:06:05,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:06:05,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:06:05,841 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_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-11-07 02:06:05,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:06:05,872 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:06:05,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:06:05,984 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_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-11-07 02:06:05,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:06:05,993 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:06:06,068 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_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-11-07 02:06:06,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:06:06,115 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:06:06,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06 WrapperNode [2021-11-07 02:06:06,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:06:06,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:06:06,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:06:06,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:06:06,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:06:06,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:06:06,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:06:06,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:06:06,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:06:06,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:06:06,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:06:06,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:06:06,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (1/1) ... [2021-11-07 02:06:06,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:06:06,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:06:06,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:06:06,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:06:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:06:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:06:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:06:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:06:08,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:06:08,987 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-11-07 02:06:08,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:06:08 BoogieIcfgContainer [2021-11-07 02:06:08,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:06:08,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:06:08,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:06:08,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:06:08,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:06:05" (1/3) ... [2021-11-07 02:06:08,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e328079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:06:08, skipping insertion in model container [2021-11-07 02:06:08,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:06" (2/3) ... [2021-11-07 02:06:08,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e328079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:06:08, skipping insertion in model container [2021-11-07 02:06:08,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:06:08" (3/3) ... [2021-11-07 02:06:08,998 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2021-11-07 02:06:09,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:06:09,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:06:09,073 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:06:09,079 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:06:09,079 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:06:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 02:06:09,106 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:09,107 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:09,108 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:09,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:09,114 INFO L85 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2021-11-07 02:06:09,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:09,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842353147] [2021-11-07 02:06:09,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:09,131 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:09,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:09,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:06:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:09,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:06:09,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:09,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:09,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:09,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842353147] [2021-11-07 02:06:09,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842353147] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:09,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:09,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:06:09,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831540050] [2021-11-07 02:06:09,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:06:09,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:09,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:06:09,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:06:09,572 INFO L87 Difference]: Start difference. First operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:09,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:09,633 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2021-11-07 02:06:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:06:09,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 02:06:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:09,650 INFO L225 Difference]: With dead ends: 271 [2021-11-07 02:06:09,650 INFO L226 Difference]: Without dead ends: 135 [2021-11-07 02:06:09,654 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:06:09,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-07 02:06:09,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-07 02:06:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.4848484848484849) internal successors, (196), 134 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2021-11-07 02:06:09,723 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2021-11-07 02:06:09,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:09,724 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-11-07 02:06:09,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:09,724 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2021-11-07 02:06:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 02:06:09,726 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:09,726 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:09,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:06:09,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:09,946 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:09,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:09,950 INFO L85 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2021-11-07 02:06:09,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:09,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564505877] [2021-11-07 02:06:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:09,967 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:09,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:09,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:09,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:06:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:10,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:06:10,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:10,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:10,311 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:10,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564505877] [2021-11-07 02:06:10,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564505877] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:10,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:10,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:06:10,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488204367] [2021-11-07 02:06:10,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:06:10,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:06:10,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:06:10,320 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:10,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:10,348 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2021-11-07 02:06:10,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:06:10,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 02:06:10,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:10,351 INFO L225 Difference]: With dead ends: 135 [2021-11-07 02:06:10,351 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 02:06:10,353 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:06:10,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 02:06:10,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 02:06:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-11-07 02:06:10,367 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-11-07 02:06:10,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:10,367 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-11-07 02:06:10,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-07 02:06:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:06:10,370 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:10,375 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:10,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:10,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:10,592 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:10,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:10,593 INFO L85 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2021-11-07 02:06:10,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:10,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072284539] [2021-11-07 02:06:10,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:10,594 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:10,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:10,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:10,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:06:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:10,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:06:10,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:10,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:10,980 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:10,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072284539] [2021-11-07 02:06:10,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072284539] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:10,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:10,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:06:10,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813166742] [2021-11-07 02:06:10,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:06:10,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:10,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:06:10,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:06:10,983 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:11,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:11,016 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-11-07 02:06:11,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:06:11,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 02:06:11,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:11,018 INFO L225 Difference]: With dead ends: 103 [2021-11-07 02:06:11,018 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 02:06:11,019 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:06:11,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 02:06:11,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 02:06:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-11-07 02:06:11,025 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-11-07 02:06:11,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:11,026 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-11-07 02:06:11,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-11-07 02:06:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 02:06:11,027 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:11,027 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:11,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:11,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:11,240 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:11,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2021-11-07 02:06:11,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:11,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445443677] [2021-11-07 02:06:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:11,242 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:11,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:11,243 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:11,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:06:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:11,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:06:11,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:11,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:11,580 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:11,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445443677] [2021-11-07 02:06:11,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445443677] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:11,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:11,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:06:11,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390959194] [2021-11-07 02:06:11,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:06:11,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:11,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:06:11,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:06:11,583 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:11,648 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2021-11-07 02:06:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:06:11,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 02:06:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:11,651 INFO L225 Difference]: With dead ends: 125 [2021-11-07 02:06:11,651 INFO L226 Difference]: Without dead ends: 77 [2021-11-07 02:06:11,652 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:06:11,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-07 02:06:11,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-11-07 02:06:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-11-07 02:06:11,672 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2021-11-07 02:06:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:11,672 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-11-07 02:06:11,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:11,673 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-11-07 02:06:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 02:06:11,674 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:11,674 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:11,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:11,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:11,875 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:11,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:11,875 INFO L85 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2021-11-07 02:06:11,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:11,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462786983] [2021-11-07 02:06:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:11,877 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:11,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:11,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:06:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:12,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:06:12,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:12,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:12,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:12,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462786983] [2021-11-07 02:06:12,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462786983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:12,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:12,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 02:06:12,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996972306] [2021-11-07 02:06:12,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:06:12,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:12,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:06:12,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:06:12,303 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:12,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:12,353 INFO L93 Difference]: Finished difference Result 262 states and 378 transitions. [2021-11-07 02:06:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:06:12,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 02:06:12,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:12,355 INFO L225 Difference]: With dead ends: 262 [2021-11-07 02:06:12,356 INFO L226 Difference]: Without dead ends: 194 [2021-11-07 02:06:12,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:06:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-07 02:06:12,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2021-11-07 02:06:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.427807486631016) internal successors, (267), 187 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2021-11-07 02:06:12,371 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 32 [2021-11-07 02:06:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:12,371 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2021-11-07 02:06:12,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2021-11-07 02:06:12,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 02:06:12,373 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:12,373 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:12,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:12,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:12,586 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2021-11-07 02:06:12,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:12,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864608242] [2021-11-07 02:06:12,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:12,587 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:12,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:12,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:12,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:06:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:12,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:06:12,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:12,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:13,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:13,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864608242] [2021-11-07 02:06:13,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864608242] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:13,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:13,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:06:13,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441590437] [2021-11-07 02:06:13,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:06:13,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:13,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:06:13,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:06:13,091 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:13,260 INFO L93 Difference]: Finished difference Result 972 states and 1381 transitions. [2021-11-07 02:06:13,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:06:13,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 02:06:13,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:13,266 INFO L225 Difference]: With dead ends: 972 [2021-11-07 02:06:13,266 INFO L226 Difference]: Without dead ends: 791 [2021-11-07 02:06:13,267 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:06:13,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-11-07 02:06:13,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 349. [2021-11-07 02:06:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.3908045977011494) internal successors, (484), 348 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 484 transitions. [2021-11-07 02:06:13,307 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 484 transitions. Word has length 32 [2021-11-07 02:06:13,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:13,307 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 484 transitions. [2021-11-07 02:06:13,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 484 transitions. [2021-11-07 02:06:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 02:06:13,310 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:13,310 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:13,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:13,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:13,523 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:13,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:13,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2021-11-07 02:06:13,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:13,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916873640] [2021-11-07 02:06:13,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:13,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:13,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:13,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:13,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:06:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:13,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:06:13,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:13,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:13,993 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:13,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916873640] [2021-11-07 02:06:13,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916873640] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:13,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:13,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:06:13,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833433233] [2021-11-07 02:06:13,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:06:13,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:13,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:06:13,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:06:13,997 INFO L87 Difference]: Start difference. First operand 349 states and 484 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:14,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:14,218 INFO L93 Difference]: Finished difference Result 1346 states and 1861 transitions. [2021-11-07 02:06:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:06:14,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 02:06:14,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:14,225 INFO L225 Difference]: With dead ends: 1346 [2021-11-07 02:06:14,225 INFO L226 Difference]: Without dead ends: 1004 [2021-11-07 02:06:14,226 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:06:14,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-11-07 02:06:14,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 346. [2021-11-07 02:06:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 345 states have (on average 1.3768115942028984) internal successors, (475), 345 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 475 transitions. [2021-11-07 02:06:14,266 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 475 transitions. Word has length 33 [2021-11-07 02:06:14,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:14,266 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 475 transitions. [2021-11-07 02:06:14,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 475 transitions. [2021-11-07 02:06:14,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 02:06:14,268 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:14,268 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:14,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:14,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:14,481 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:14,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:14,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2021-11-07 02:06:14,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:14,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144812146] [2021-11-07 02:06:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:14,482 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:14,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:14,484 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:14,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:06:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:14,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:06:14,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:14,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:14,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:14,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144812146] [2021-11-07 02:06:14,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144812146] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:14,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:14,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:06:14,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588340899] [2021-11-07 02:06:14,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:06:14,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:14,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:06:14,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:06:14,951 INFO L87 Difference]: Start difference. First operand 346 states and 475 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:15,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:15,067 INFO L93 Difference]: Finished difference Result 933 states and 1265 transitions. [2021-11-07 02:06:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:06:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 02:06:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:15,072 INFO L225 Difference]: With dead ends: 933 [2021-11-07 02:06:15,072 INFO L226 Difference]: Without dead ends: 594 [2021-11-07 02:06:15,073 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:06:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-11-07 02:06:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 376. [2021-11-07 02:06:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 1.3466666666666667) internal successors, (505), 375 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 505 transitions. [2021-11-07 02:06:15,125 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 505 transitions. Word has length 36 [2021-11-07 02:06:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:15,126 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 505 transitions. [2021-11-07 02:06:15,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2021-11-07 02:06:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 02:06:15,127 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:15,128 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:15,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:15,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:15,343 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:15,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:15,343 INFO L85 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2021-11-07 02:06:15,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:15,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629778383] [2021-11-07 02:06:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:15,344 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:15,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:15,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:15,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 02:06:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:15,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:06:15,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:15,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:15,797 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:15,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629778383] [2021-11-07 02:06:15,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629778383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:15,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:15,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:06:15,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657265377] [2021-11-07 02:06:15,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:06:15,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:15,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:06:15,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:06:15,800 INFO L87 Difference]: Start difference. First operand 376 states and 505 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:15,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:15,891 INFO L93 Difference]: Finished difference Result 793 states and 1060 transitions. [2021-11-07 02:06:15,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:06:15,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 02:06:15,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:15,894 INFO L225 Difference]: With dead ends: 793 [2021-11-07 02:06:15,894 INFO L226 Difference]: Without dead ends: 424 [2021-11-07 02:06:15,895 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:06:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-11-07 02:06:15,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 259. [2021-11-07 02:06:15,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.3410852713178294) internal successors, (346), 258 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 346 transitions. [2021-11-07 02:06:15,932 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 346 transitions. Word has length 36 [2021-11-07 02:06:15,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:15,934 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 346 transitions. [2021-11-07 02:06:15,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 346 transitions. [2021-11-07 02:06:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 02:06:15,936 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:15,936 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:15,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:16,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:16,149 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:16,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:16,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2021-11-07 02:06:16,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:16,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514494620] [2021-11-07 02:06:16,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:16,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:16,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:16,150 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:16,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 02:06:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:16,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:06:16,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:16,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:16,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:16,668 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:16,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514494620] [2021-11-07 02:06:16,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514494620] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:16,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:16,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 02:06:16,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433428183] [2021-11-07 02:06:16,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 02:06:16,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:16,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 02:06:16,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:06:16,670 INFO L87 Difference]: Start difference. First operand 259 states and 346 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:19,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:19,420 INFO L93 Difference]: Finished difference Result 995 states and 1305 transitions. [2021-11-07 02:06:19,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 02:06:19,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 02:06:19,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:19,425 INFO L225 Difference]: With dead ends: 995 [2021-11-07 02:06:19,426 INFO L226 Difference]: Without dead ends: 743 [2021-11-07 02:06:19,427 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-07 02:06:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2021-11-07 02:06:19,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 259. [2021-11-07 02:06:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.317829457364341) internal successors, (340), 258 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 340 transitions. [2021-11-07 02:06:19,479 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 340 transitions. Word has length 37 [2021-11-07 02:06:19,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:19,479 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 340 transitions. [2021-11-07 02:06:19,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:19,479 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 340 transitions. [2021-11-07 02:06:19,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 02:06:19,481 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:19,481 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:19,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:19,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:19,694 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:19,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2021-11-07 02:06:19,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:19,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169341786] [2021-11-07 02:06:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:19,696 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:19,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:19,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:19,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 02:06:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:20,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:06:20,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 02:06:20,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 02:06:20,321 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:20,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169341786] [2021-11-07 02:06:20,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169341786] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:20,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:06:20,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:06:20,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106102679] [2021-11-07 02:06:20,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:06:20,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:20,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:06:20,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:06:20,323 INFO L87 Difference]: Start difference. First operand 259 states and 340 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:20,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:20,461 INFO L93 Difference]: Finished difference Result 800 states and 1048 transitions. [2021-11-07 02:06:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:06:20,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 02:06:20,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:20,466 INFO L225 Difference]: With dead ends: 800 [2021-11-07 02:06:20,466 INFO L226 Difference]: Without dead ends: 548 [2021-11-07 02:06:20,467 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:06:20,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-11-07 02:06:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 271. [2021-11-07 02:06:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.3037037037037038) internal successors, (352), 270 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 352 transitions. [2021-11-07 02:06:20,505 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 352 transitions. Word has length 58 [2021-11-07 02:06:20,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:20,506 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 352 transitions. [2021-11-07 02:06:20,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 352 transitions. [2021-11-07 02:06:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 02:06:20,508 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:20,508 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:20,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:20,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:20,721 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:20,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:20,722 INFO L85 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2021-11-07 02:06:20,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:20,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017806119] [2021-11-07 02:06:20,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:20,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:20,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:20,723 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:20,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 02:06:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:21,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:06:21,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 02:06:21,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 02:06:21,571 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:21,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017806119] [2021-11-07 02:06:21,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017806119] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:06:21,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1651452217] [2021-11-07 02:06:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:21,572 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:06:21,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:06:21,574 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:06:21,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 02:06:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:22,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:06:22,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:22,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:06:22,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1651452217] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:22,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:06:22,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-07 02:06:22,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874992087] [2021-11-07 02:06:22,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:06:22,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:22,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:06:22,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:06:22,350 INFO L87 Difference]: Start difference. First operand 271 states and 352 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) 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) [2021-11-07 02:06:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:22,440 INFO L93 Difference]: Finished difference Result 471 states and 610 transitions. [2021-11-07 02:06:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:06:22,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) 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 58 [2021-11-07 02:06:22,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:22,445 INFO L225 Difference]: With dead ends: 471 [2021-11-07 02:06:22,445 INFO L226 Difference]: Without dead ends: 469 [2021-11-07 02:06:22,446 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:06:22,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-11-07 02:06:22,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 323. [2021-11-07 02:06:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.3322981366459627) internal successors, (429), 322 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 429 transitions. [2021-11-07 02:06:22,513 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 429 transitions. Word has length 58 [2021-11-07 02:06:22,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:22,514 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 429 transitions. [2021-11-07 02:06:22,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) 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) [2021-11-07 02:06:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 429 transitions. [2021-11-07 02:06:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 02:06:22,516 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:22,516 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:22,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:22,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:22,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:06:22,930 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:22,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2021-11-07 02:06:22,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:22,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127603687] [2021-11-07 02:06:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:22,931 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:22,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:22,933 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:22,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 02:06:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:23,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:06:23,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 02:06:23,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 02:06:23,913 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:23,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127603687] [2021-11-07 02:06:23,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127603687] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:06:23,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1179477557] [2021-11-07 02:06:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:23,914 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:06:23,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:06:23,917 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:06:23,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-07 02:06:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:24,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 02:06:24,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 02:06:24,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 02:06:25,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1179477557] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:06:25,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991959405] [2021-11-07 02:06:25,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:25,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:06:25,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:06:25,034 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:06:25,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 02:06:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:25,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 02:06:25,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 02:06:25,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 02:06:26,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991959405] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 02:06:26,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-11-07 02:06:26,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 6, 5, 8] total 15 [2021-11-07 02:06:26,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862886958] [2021-11-07 02:06:26,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:06:26,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:26,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:06:26,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:06:26,151 INFO L87 Difference]: Start difference. First operand 323 states and 429 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:29,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:29,540 INFO L93 Difference]: Finished difference Result 1801 states and 2342 transitions. [2021-11-07 02:06:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 02:06:29,541 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-07 02:06:29,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:29,549 INFO L225 Difference]: With dead ends: 1801 [2021-11-07 02:06:29,549 INFO L226 Difference]: Without dead ends: 1485 [2021-11-07 02:06:29,550 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2021-11-07 02:06:29,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2021-11-07 02:06:29,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 386. [2021-11-07 02:06:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3584415584415583) internal successors, (523), 385 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 523 transitions. [2021-11-07 02:06:29,620 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 523 transitions. Word has length 82 [2021-11-07 02:06:29,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:29,621 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 523 transitions. [2021-11-07 02:06:29,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 523 transitions. [2021-11-07 02:06:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 02:06:29,623 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:06:29,623 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2021-11-07 02:06:29,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:29,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:30,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-07 02:06:30,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:06:30,233 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:06:30,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:06:30,233 INFO L85 PathProgramCache]: Analyzing trace with hash -145207002, now seen corresponding path program 1 times [2021-11-07 02:06:30,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:06:30,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217765286] [2021-11-07 02:06:30,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:30,234 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:06:30,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:06:30,236 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:06:30,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 02:06:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:30,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:06:30,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-07 02:06:30,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:31,231 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-07 02:06:31,231 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:06:31,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217765286] [2021-11-07 02:06:31,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217765286] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:06:31,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1088999860] [2021-11-07 02:06:31,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:06:31,232 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:06:31,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:06:31,233 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:06:31,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-07 02:06:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:06:31,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:06:31,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:06:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-07 02:06:32,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:06:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-07 02:06:32,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1088999860] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:06:32,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:06:32,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 6 [2021-11-07 02:06:32,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508683801] [2021-11-07 02:06:32,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:06:32,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:06:32,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:06:32,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:06:32,281 INFO L87 Difference]: Start difference. First operand 386 states and 523 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:33,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:06:33,646 INFO L93 Difference]: Finished difference Result 573 states and 763 transitions. [2021-11-07 02:06:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:06:33,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-11-07 02:06:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:06:33,647 INFO L225 Difference]: With dead ends: 573 [2021-11-07 02:06:33,647 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:06:33,648 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:06:33,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:06:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:06:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:06:33,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-11-07 02:06:33,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:06:33,650 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:06:33,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:06:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:06:33,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:06:33,652 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:06:33,653 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:06:33,653 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:06:33,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-11-07 02:06:33,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-07 02:06:34,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:06:34,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:06:34,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:34,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:36,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:36,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:37,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:38,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:39,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:40,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:06:56,037 INFO L853 garLoopResultBuilder]: At program point L101-4(lines 96 104) the Hoare annotation is: false [2021-11-07 02:06:56,037 INFO L853 garLoopResultBuilder]: At program point L101-5(lines 96 104) the Hoare annotation is: false [2021-11-07 02:06:56,037 INFO L853 garLoopResultBuilder]: At program point L101-6(lines 96 104) the Hoare annotation is: false [2021-11-07 02:06:56,037 INFO L853 garLoopResultBuilder]: At program point L101-7(lines 96 104) the Hoare annotation is: false [2021-11-07 02:06:56,037 INFO L853 garLoopResultBuilder]: At program point L101-8(lines 96 104) the Hoare annotation is: false [2021-11-07 02:06:56,037 INFO L853 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: false [2021-11-07 02:06:56,038 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-11-07 02:06:56,038 INFO L853 garLoopResultBuilder]: At program point L729-1(lines 722 732) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-11-07 02:06:56,038 INFO L853 garLoopResultBuilder]: At program point L729-2(lines 722 732) the Hoare annotation is: false [2021-11-07 02:06:56,038 INFO L853 garLoopResultBuilder]: At program point L729-3(lines 722 732) the Hoare annotation is: false [2021-11-07 02:06:56,038 INFO L853 garLoopResultBuilder]: At program point L729-4(lines 722 732) the Hoare annotation is: false [2021-11-07 02:06:56,039 INFO L853 garLoopResultBuilder]: At program point L729-5(lines 722 732) the Hoare annotation is: false [2021-11-07 02:06:56,039 INFO L860 garLoopResultBuilder]: At program point L995(lines 976 998) the Hoare annotation is: true [2021-11-07 02:06:56,040 INFO L853 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:06:56,040 INFO L853 garLoopResultBuilder]: At program point L898(lines 893 901) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:06:56,040 INFO L853 garLoopResultBuilder]: At program point L832(lines 827 834) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:06:56,040 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2021-11-07 02:06:56,042 INFO L857 garLoopResultBuilder]: For program point L667-1(lines 667 684) no Hoare annotation was computed. [2021-11-07 02:06:56,042 INFO L857 garLoopResultBuilder]: For program point L667-2(lines 667 684) no Hoare annotation was computed. [2021-11-07 02:06:56,042 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 583) no Hoare annotation was computed. [2021-11-07 02:06:56,043 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:06:56,043 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:06:56,044 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:06:56,044 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:06:56,044 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:06:56,044 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-11-07 02:06:56,045 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-11-07 02:06:56,045 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-11-07 02:06:56,045 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-11-07 02:06:56,045 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2021-11-07 02:06:56,045 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 710) no Hoare annotation was computed. [2021-11-07 02:06:56,046 INFO L857 garLoopResultBuilder]: For program point L671-1(lines 671 679) no Hoare annotation was computed. [2021-11-07 02:06:56,046 INFO L857 garLoopResultBuilder]: For program point L671-2(lines 671 679) no Hoare annotation was computed. [2021-11-07 02:06:56,046 INFO L857 garLoopResultBuilder]: For program point L704-4(lines 704 710) no Hoare annotation was computed. [2021-11-07 02:06:56,046 INFO L857 garLoopResultBuilder]: For program point L704-6(lines 704 710) no Hoare annotation was computed. [2021-11-07 02:06:56,046 INFO L857 garLoopResultBuilder]: For program point L704-8(lines 704 710) no Hoare annotation was computed. [2021-11-07 02:06:56,046 INFO L857 garLoopResultBuilder]: For program point L704-10(lines 704 710) no Hoare annotation was computed. [2021-11-07 02:06:56,047 INFO L853 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:06:56,047 INFO L853 garLoopResultBuilder]: At program point L738-1(lines 733 741) the Hoare annotation is: false [2021-11-07 02:06:56,047 INFO L853 garLoopResultBuilder]: At program point L738-2(lines 733 741) the Hoare annotation is: false [2021-11-07 02:06:56,047 INFO L857 garLoopResultBuilder]: For program point L541(lines 540 587) no Hoare annotation was computed. [2021-11-07 02:06:56,047 INFO L857 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-11-07 02:06:56,047 INFO L857 garLoopResultBuilder]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L1004-2(line 1004) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L806-3(lines 806 810) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L806-5(lines 806 810) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 658) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L806-6(lines 806 810) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L641-2(lines 641 658) no Hoare annotation was computed. [2021-11-07 02:06:56,048 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2021-11-07 02:06:56,049 INFO L857 garLoopResultBuilder]: For program point L641-3(lines 641 658) no Hoare annotation was computed. [2021-11-07 02:06:56,049 INFO L857 garLoopResultBuilder]: For program point L806-8(lines 806 810) no Hoare annotation was computed. [2021-11-07 02:06:56,049 INFO L857 garLoopResultBuilder]: For program point L641-4(lines 641 658) no Hoare annotation was computed. [2021-11-07 02:06:56,049 INFO L857 garLoopResultBuilder]: For program point L641-5(lines 641 658) no Hoare annotation was computed. [2021-11-07 02:06:56,049 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-11-07 02:06:56,049 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-11-07 02:06:56,049 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-11-07 02:06:56,049 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: false [2021-11-07 02:06:56,049 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-11-07 02:06:56,050 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-11-07 02:06:56,050 INFO L853 garLoopResultBuilder]: At program point L609(lines 608 627) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse5) (and .cse0 .cse2 .cse5 .cse4))) [2021-11-07 02:06:56,050 INFO L857 garLoopResultBuilder]: For program point L609-1(lines 609 615) no Hoare annotation was computed. [2021-11-07 02:06:56,050 INFO L853 garLoopResultBuilder]: At program point L609-2(lines 608 627) the Hoare annotation is: false [2021-11-07 02:06:56,050 INFO L853 garLoopResultBuilder]: At program point L609-3(lines 608 627) the Hoare annotation is: false [2021-11-07 02:06:56,050 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2021-11-07 02:06:56,050 INFO L853 garLoopResultBuilder]: At program point L578-2(lines 609 615) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse4 .cse6 .cse2 .cse5))) [2021-11-07 02:06:56,051 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:06:56,051 INFO L853 garLoopResultBuilder]: At program point L843-1(lines 1 1007) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 .cse5 .cse2 .cse6) (and .cse1 (or (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))))) [2021-11-07 02:06:56,051 INFO L857 garLoopResultBuilder]: For program point L843-2(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:06:56,051 INFO L853 garLoopResultBuilder]: At program point L843-3(lines 1 1007) the Hoare annotation is: false [2021-11-07 02:06:56,051 INFO L857 garLoopResultBuilder]: For program point L843-4(lines 843 860) no Hoare annotation was computed. [2021-11-07 02:06:56,051 INFO L853 garLoopResultBuilder]: At program point L843-5(lines 1 1007) the Hoare annotation is: false [2021-11-07 02:06:56,052 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-11-07 02:06:56,052 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 653) no Hoare annotation was computed. [2021-11-07 02:06:56,052 INFO L857 garLoopResultBuilder]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2021-11-07 02:06:56,052 INFO L857 garLoopResultBuilder]: For program point L645-3(lines 645 653) no Hoare annotation was computed. [2021-11-07 02:06:56,052 INFO L857 garLoopResultBuilder]: For program point L645-4(lines 645 653) no Hoare annotation was computed. [2021-11-07 02:06:56,052 INFO L857 garLoopResultBuilder]: For program point L645-5(lines 645 653) no Hoare annotation was computed. [2021-11-07 02:06:56,052 INFO L853 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse3 (or (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ~waterLevel~0 (_ bv1 32))))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-11-07 02:06:56,053 INFO L853 garLoopResultBuilder]: At program point L812-1(lines 797 815) the Hoare annotation is: false [2021-11-07 02:06:56,053 INFO L853 garLoopResultBuilder]: At program point L812-2(lines 797 815) the Hoare annotation is: false [2021-11-07 02:06:56,053 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:06:56,053 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 857) no Hoare annotation was computed. [2021-11-07 02:06:56,053 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 857) no Hoare annotation was computed. [2021-11-07 02:06:56,053 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 857) no Hoare annotation was computed. [2021-11-07 02:06:56,053 INFO L853 garLoopResultBuilder]: At program point L616(lines 616 622) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2021-11-07 02:06:56,053 INFO L853 garLoopResultBuilder]: At program point L616-1(lines 616 622) the Hoare annotation is: false [2021-11-07 02:06:56,054 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 556) no Hoare annotation was computed. [2021-11-07 02:06:56,054 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 622) the Hoare annotation is: false [2021-11-07 02:06:56,054 INFO L853 garLoopResultBuilder]: At program point L550-1(lines 550 556) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)))) [2021-11-07 02:06:56,054 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-11-07 02:06:56,054 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 854) no Hoare annotation was computed. [2021-11-07 02:06:56,054 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: false [2021-11-07 02:06:56,055 INFO L857 garLoopResultBuilder]: For program point L848-2(lines 848 854) no Hoare annotation was computed. [2021-11-07 02:06:56,055 INFO L857 garLoopResultBuilder]: For program point L848-4(lines 848 854) no Hoare annotation was computed. [2021-11-07 02:06:56,055 INFO L857 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2021-11-07 02:06:56,055 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 02:06:56,055 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-11-07 02:06:56,055 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-11-07 02:06:56,055 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:06:56,056 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-11-07 02:06:56,056 INFO L857 garLoopResultBuilder]: For program point L918-1(lines 609 615) no Hoare annotation was computed. [2021-11-07 02:06:56,056 INFO L853 garLoopResultBuilder]: At program point L588(lines 539 589) the Hoare annotation is: false [2021-11-07 02:06:56,056 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,056 INFO L857 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,056 INFO L857 garLoopResultBuilder]: For program point L787-3(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,056 INFO L857 garLoopResultBuilder]: For program point L787-5(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,057 INFO L857 garLoopResultBuilder]: For program point L787-6(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,057 INFO L857 garLoopResultBuilder]: For program point L787-8(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,057 INFO L857 garLoopResultBuilder]: For program point L787-9(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,057 INFO L857 garLoopResultBuilder]: For program point L787-11(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,057 INFO L857 garLoopResultBuilder]: For program point L787-12(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,057 INFO L857 garLoopResultBuilder]: For program point L787-14(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,058 INFO L857 garLoopResultBuilder]: For program point L787-15(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,058 INFO L857 garLoopResultBuilder]: For program point L787-17(lines 787 791) no Hoare annotation was computed. [2021-11-07 02:06:56,058 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:06:56,058 INFO L857 garLoopResultBuilder]: For program point L986(lines 986 993) no Hoare annotation was computed. [2021-11-07 02:06:56,058 INFO L860 garLoopResultBuilder]: At program point L986-1(lines 986 993) the Hoare annotation is: true [2021-11-07 02:06:56,058 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-11-07 02:06:56,058 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-11-07 02:06:56,059 INFO L853 garLoopResultBuilder]: At program point L890(lines 1 1007) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:06:56,059 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-11-07 02:06:56,059 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 566) no Hoare annotation was computed. [2021-11-07 02:06:56,059 INFO L853 garLoopResultBuilder]: At program point L560-1(lines 560 566) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse4 .cse6 .cse2 .cse5))) [2021-11-07 02:06:56,059 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:06:56,059 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-11-07 02:06:56,060 INFO L853 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: false [2021-11-07 02:06:56,060 INFO L853 garLoopResultBuilder]: At program point L793-1(lines 778 796) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse2 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse9 .cse6 .cse7) (and .cse0 .cse8 .cse4 .cse9 .cse6))) [2021-11-07 02:06:56,060 INFO L853 garLoopResultBuilder]: At program point L793-2(lines 778 796) the Hoare annotation is: false [2021-11-07 02:06:56,060 INFO L853 garLoopResultBuilder]: At program point L793-3(lines 778 796) the Hoare annotation is: false [2021-11-07 02:06:56,060 INFO L853 garLoopResultBuilder]: At program point L793-4(lines 778 796) the Hoare annotation is: false [2021-11-07 02:06:56,060 INFO L853 garLoopResultBuilder]: At program point L793-5(lines 778 796) the Hoare annotation is: false [2021-11-07 02:06:56,061 INFO L853 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: false [2021-11-07 02:06:56,061 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 96 104) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-11-07 02:06:56,061 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 96 104) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4))) [2021-11-07 02:06:56,061 INFO L853 garLoopResultBuilder]: At program point L101-3(lines 96 104) the Hoare annotation is: false [2021-11-07 02:06:56,064 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:06:56,066 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:06:56,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:06:56 BoogieIcfgContainer [2021-11-07 02:06:56,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:06:56,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:06:56,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:06:56,096 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:06:56,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:06:08" (3/4) ... [2021-11-07 02:06:56,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:06:56,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 02:06:56,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 02:06:56,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 02:06:56,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 02:06:56,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:06:56,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:06:56,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:06:56,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp)) || (methAndRunningLastTime == 0bv32 && ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning))) [2021-11-07 02:06:56,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) [2021-11-07 02:06:56,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:06:56,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) [2021-11-07 02:06:56,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:06:56,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-11-07 02:06:56,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp___0 == 1bv32) && tmp == 0bv32) [2021-11-07 02:06:56,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:06:56,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:06:56,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:06:56,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:06:56,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:06:56,219 INFO L168 Benchmark]: Toolchain (without parser) took 50824.59 ms. Allocated memory was 54.5 MB in the beginning and 234.9 MB in the end (delta: 180.4 MB). Free memory was 30.9 MB in the beginning and 93.1 MB in the end (delta: -62.2 MB). Peak memory consumption was 117.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:56,220 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:06:56,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.64 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 46.6 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:56,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.93 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 42.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:56,221 INFO L168 Benchmark]: Boogie Preprocessor took 56.80 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 39.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:56,221 INFO L168 Benchmark]: RCFGBuilder took 2698.98 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 39.4 MB in the beginning and 44.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:56,222 INFO L168 Benchmark]: TraceAbstraction took 47104.67 ms. Allocated memory was 86.0 MB in the beginning and 234.9 MB in the end (delta: 148.9 MB). Free memory was 43.9 MB in the beginning and 104.6 MB in the end (delta: -60.7 MB). Peak memory consumption was 134.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:56,222 INFO L168 Benchmark]: Witness Printer took 122.08 ms. Allocated memory is still 234.9 MB. Free memory was 104.6 MB in the beginning and 93.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:56,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.64 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 46.6 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.93 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 42.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.80 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 39.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2698.98 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 39.4 MB in the beginning and 44.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 47104.67 ms. Allocated memory was 86.0 MB in the beginning and 234.9 MB in the end (delta: 148.9 MB). Free memory was 43.9 MB in the beginning and 104.6 MB in the end (delta: -60.7 MB). Peak memory consumption was 134.4 MB. Max. memory is 16.1 GB. * Witness Printer took 122.08 ms. Allocated memory is still 234.9 MB. Free memory was 104.6 MB in the beginning and 93.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: 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, 139 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 46.9s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1621 SDtfs, 2518 SDslu, 3768 SDs, 0 SdLazy, 446 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1776 GetRequests, 1684 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=13, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 3497 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 131 NumberOfFragments, 858 HoareAnnotationTreeSize, 56 FomulaSimplifications, 17463629 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 3622510 FormulaSimplificationTreeSizeReductionInter, 15.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 3356 SizeOfPredicates, 40 NumberOfNonLiveVariables, 4278 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 560/608 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: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp___0 == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp)) || (methAndRunningLastTime == 0bv32 && ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning))) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 02:06:56,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e272f03f-e8d1-4c46-8ea7-f780d7a2d64d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE