./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan --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 1aa77a42d44aaff76210b78cb1336cb97af7d944 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan --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 1aa77a42d44aaff76210b78cb1336cb97af7d944 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:08:17,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:17,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:17,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:17,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:17,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:17,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:17,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:17,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:17,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:17,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:17,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:17,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:17,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:17,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:17,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:17,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:17,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:17,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:17,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:17,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:17,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:17,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:17,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:17,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:17,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:17,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:17,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:17,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:17,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:17,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:17,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:17,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:17,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:17,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:17,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:17,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:17,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:17,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:17,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:17,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:17,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:08:17,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:17,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:17,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:17,851 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:17,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:17,851 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:17,852 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:08:17,852 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:17,852 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:17,852 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:08:17,853 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:08:17,853 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:17,853 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:08:17,853 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:08:17,854 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:08:17,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:17,855 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:17,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:08:17,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:17,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:17,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:17,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:17,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:17,856 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:17,857 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:17,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:17,857 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:17,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:17,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:17,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:17,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:17,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:17,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:17,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:17,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:17,859 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:08:17,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:08:17,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:17,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:17,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:17,860 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-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa77a42d44aaff76210b78cb1336cb97af7d944 [2020-11-22 13:08:18,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:18,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:18,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:18,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:18,130 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:18,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-11-22 13:08:18,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/6ceca81e9/ee37706633214110872b9b05c38181cb/FLAG9f0e09f99 [2020-11-22 13:08:18,811 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:18,812 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-11-22 13:08:18,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/6ceca81e9/ee37706633214110872b9b05c38181cb/FLAG9f0e09f99 [2020-11-22 13:08:19,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/6ceca81e9/ee37706633214110872b9b05c38181cb [2020-11-22 13:08:19,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:19,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:19,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:19,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:19,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:19,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:19" (1/1) ... [2020-11-22 13:08:19,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a468ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:19, skipping insertion in model container [2020-11-22 13:08:19,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:19" (1/1) ... [2020-11-22 13:08:19,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:19,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:19,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:19,591 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) [2020-11-22 13:08:19,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@346a04c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:19, skipping insertion in model container [2020-11-22 13:08:19,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:19,600 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:08:19,602 INFO L168 Benchmark]: Toolchain (without parser) took 427.88 ms. Allocated memory is still 90.2 MB. Free memory was 57.3 MB in the beginning and 63.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:19,604 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:19,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.68 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 63.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:19,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 425.68 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 63.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 648]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:08:21,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:21,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:21,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:21,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:21,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:21,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:21,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:21,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:21,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:21,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:21,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:21,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:21,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:21,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:21,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:21,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:21,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:21,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:21,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:21,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:21,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:21,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:21,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:21,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:21,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:21,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:21,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:21,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:21,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:21,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:21,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:21,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:21,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:21,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:21,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:21,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:21,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:21,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:21,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:21,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:21,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:08:21,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:21,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:21,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:21,958 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:21,958 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:21,959 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:21,959 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:21,959 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:21,960 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:21,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:21,962 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:21,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:21,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:21,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:21,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:21,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:21,963 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:21,964 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:08:21,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:08:21,964 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:21,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:21,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:21,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:21,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:21,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:08:21,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:21,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:21,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:21,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:21,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:21,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:21,967 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:08:21,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:08:21,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:21,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:21,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:21,968 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-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa77a42d44aaff76210b78cb1336cb97af7d944 [2020-11-22 13:08:22,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:22,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:22,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:22,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:22,380 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:22,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-11-22 13:08:22,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/2bb49603f/47d13157eced4a3d904e541bb92a1a8f/FLAG47ea67738 [2020-11-22 13:08:23,088 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:23,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-11-22 13:08:23,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/2bb49603f/47d13157eced4a3d904e541bb92a1a8f/FLAG47ea67738 [2020-11-22 13:08:23,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/data/2bb49603f/47d13157eced4a3d904e541bb92a1a8f [2020-11-22 13:08:23,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:23,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:23,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:23,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:23,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:23,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:23" (1/1) ... [2020-11-22 13:08:23,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552b25ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:23, skipping insertion in model container [2020-11-22 13:08:23,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:23" (1/1) ... [2020-11-22 13:08:23,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:23,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:23,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:23,849 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:08:23,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:23,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:23,951 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:24,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:24,079 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:24,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24 WrapperNode [2020-11-22 13:08:24,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:24,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:24,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:24,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:24,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:24,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:24,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:24,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:24,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... [2020-11-22 13:08:24,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:24,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:24,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:24,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:24,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:08:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:26,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:26,758 INFO L298 CfgBuilder]: Removed 200 assume(true) statements. [2020-11-22 13:08:26,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:26 BoogieIcfgContainer [2020-11-22 13:08:26,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:26,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:26,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:26,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:26,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:23" (1/3) ... [2020-11-22 13:08:26,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12118b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:26, skipping insertion in model container [2020-11-22 13:08:26,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:24" (2/3) ... [2020-11-22 13:08:26,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12118b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:26, skipping insertion in model container [2020-11-22 13:08:26,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:26" (3/3) ... [2020-11-22 13:08:26,768 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2020-11-22 13:08:26,779 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:26,783 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:08:26,794 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:08:26,817 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:26,817 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:26,817 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:26,817 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:26,817 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:26,817 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:26,818 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:26,818 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-11-22 13:08:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:08:26,839 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:26,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:26,841 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:26,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:26,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1844641052, now seen corresponding path program 1 times [2020-11-22 13:08:26,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:26,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065553954] [2020-11-22 13:08:26,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:27,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:08:27,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:27,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:27,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065553954] [2020-11-22 13:08:27,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:27,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:08:27,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106207728] [2020-11-22 13:08:27,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:08:27,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:27,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:08:27,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:27,205 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-11-22 13:08:27,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:27,273 INFO L93 Difference]: Finished difference Result 267 states and 398 transitions. [2020-11-22 13:08:27,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:08:27,275 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:08:27,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:27,289 INFO L225 Difference]: With dead ends: 267 [2020-11-22 13:08:27,290 INFO L226 Difference]: Without dead ends: 131 [2020-11-22 13:08:27,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:27,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-22 13:08:27,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-11-22 13:08:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-22 13:08:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-11-22 13:08:27,362 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-11-22 13:08:27,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:27,362 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-11-22 13:08:27,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:08:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-11-22 13:08:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:08:27,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:27,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:27,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:08:27,582 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:27,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:27,583 INFO L82 PathProgramCache]: Analyzing trace with hash -867808078, now seen corresponding path program 1 times [2020-11-22 13:08:27,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:27,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493744090] [2020-11-22 13:08:27,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:27,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:27,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:27,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:27,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493744090] [2020-11-22 13:08:27,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:27,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:27,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153556065] [2020-11-22 13:08:27,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:27,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:27,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:27,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:27,892 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 4 states. [2020-11-22 13:08:27,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:27,912 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-11-22 13:08:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:27,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:08:27,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:27,916 INFO L225 Difference]: With dead ends: 131 [2020-11-22 13:08:27,917 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 13:08:27,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:27,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 13:08:27,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 13:08:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 13:08:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-11-22 13:08:27,931 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-11-22 13:08:27,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:27,933 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-11-22 13:08:27,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-11-22 13:08:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:08:27,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:27,936 INFO L422 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] [2020-11-22 13:08:28,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:08:28,155 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:28,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:28,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2020-11-22 13:08:28,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:28,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799983547] [2020-11-22 13:08:28,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:28,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:28,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:28,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:28,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799983547] [2020-11-22 13:08:28,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:28,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:28,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436422098] [2020-11-22 13:08:28,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:28,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:28,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:28,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:28,412 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 4 states. [2020-11-22 13:08:28,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:28,455 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-11-22 13:08:28,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:28,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:08:28,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:28,457 INFO L225 Difference]: With dead ends: 100 [2020-11-22 13:08:28,457 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 13:08:28,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:28,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 13:08:28,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 13:08:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 13:08:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-11-22 13:08:28,464 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-11-22 13:08:28,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:28,465 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-11-22 13:08:28,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-11-22 13:08:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:08:28,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:28,474 INFO L422 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] [2020-11-22 13:08:28,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:08:28,684 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:28,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:28,685 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2020-11-22 13:08:28,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:28,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868802200] [2020-11-22 13:08:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:28,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:28,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:28,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:28,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868802200] [2020-11-22 13:08:28,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:28,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:08:28,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688297653] [2020-11-22 13:08:28,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:08:28,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:28,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:08:28,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:28,940 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-11-22 13:08:29,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:29,011 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-11-22 13:08:29,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:29,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 13:08:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:29,013 INFO L225 Difference]: With dead ends: 121 [2020-11-22 13:08:29,013 INFO L226 Difference]: Without dead ends: 74 [2020-11-22 13:08:29,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:29,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-22 13:08:29,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-11-22 13:08:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-22 13:08:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-11-22 13:08:29,022 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-11-22 13:08:29,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:29,022 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-11-22 13:08:29,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:08:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-11-22 13:08:29,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-22 13:08:29,024 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:29,024 INFO L422 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] [2020-11-22 13:08:29,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:08:29,241 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:29,241 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2020-11-22 13:08:29,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:29,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728886563] [2020-11-22 13:08:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:29,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:29,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:29,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:29,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728886563] [2020-11-22 13:08:29,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:29,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:08:29,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61076352] [2020-11-22 13:08:29,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:29,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:29,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:29,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:29,503 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-11-22 13:08:29,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:29,678 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2020-11-22 13:08:29,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:08:29,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-11-22 13:08:29,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:29,681 INFO L225 Difference]: With dead ends: 372 [2020-11-22 13:08:29,682 INFO L226 Difference]: Without dead ends: 306 [2020-11-22 13:08:29,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:08:29,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-11-22 13:08:29,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2020-11-22 13:08:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-11-22 13:08:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2020-11-22 13:08:29,704 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2020-11-22 13:08:29,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:29,707 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2020-11-22 13:08:29,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-11-22 13:08:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-22 13:08:29,708 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:29,708 INFO L422 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] [2020-11-22 13:08:29,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:08:29,909 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:29,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:29,910 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2020-11-22 13:08:29,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:29,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708637477] [2020-11-22 13:08:29,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:30,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:30,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:30,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:30,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:30,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708637477] [2020-11-22 13:08:30,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:30,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:08:30,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593356718] [2020-11-22 13:08:30,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:30,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:30,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:30,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:30,226 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2020-11-22 13:08:30,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:30,423 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2020-11-22 13:08:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 13:08:30,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-22 13:08:30,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:30,426 INFO L225 Difference]: With dead ends: 378 [2020-11-22 13:08:30,427 INFO L226 Difference]: Without dead ends: 376 [2020-11-22 13:08:30,427 INFO L677 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 [2020-11-22 13:08:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-22 13:08:30,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-11-22 13:08:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-11-22 13:08:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-11-22 13:08:30,453 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2020-11-22 13:08:30,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:30,453 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-11-22 13:08:30,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-11-22 13:08:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:08:30,455 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:30,455 INFO L422 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] [2020-11-22 13:08:30,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:08:30,669 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:30,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2020-11-22 13:08:30,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:30,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462706525] [2020-11-22 13:08:30,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:30,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:30,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:30,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:30,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462706525] [2020-11-22 13:08:30,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:30,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:08:30,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119389017] [2020-11-22 13:08:30,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:30,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:30,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:30,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:30,899 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2020-11-22 13:08:30,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:30,998 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2020-11-22 13:08:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:08:30,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-22 13:08:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:31,000 INFO L225 Difference]: With dead ends: 344 [2020-11-22 13:08:31,001 INFO L226 Difference]: Without dead ends: 218 [2020-11-22 13:08:31,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:08:31,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-11-22 13:08:31,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2020-11-22 13:08:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-22 13:08:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2020-11-22 13:08:31,035 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2020-11-22 13:08:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:31,036 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2020-11-22 13:08:31,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-11-22 13:08:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:08:31,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:31,037 INFO L422 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] [2020-11-22 13:08:31,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 13:08:31,253 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:31,254 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2020-11-22 13:08:31,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:31,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269025733] [2020-11-22 13:08:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:31,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:08:31,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:31,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:31,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269025733] [2020-11-22 13:08:31,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:31,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:08:31,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020759349] [2020-11-22 13:08:31,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:08:31,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:31,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:08:31,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:08:31,499 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 6 states. [2020-11-22 13:08:31,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:31,581 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2020-11-22 13:08:31,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:31,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-11-22 13:08:31,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:31,583 INFO L225 Difference]: With dead ends: 378 [2020-11-22 13:08:31,584 INFO L226 Difference]: Without dead ends: 240 [2020-11-22 13:08:31,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:08:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-11-22 13:08:31,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2020-11-22 13:08:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-22 13:08:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2020-11-22 13:08:31,616 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2020-11-22 13:08:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:31,617 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2020-11-22 13:08:31,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:08:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2020-11-22 13:08:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:08:31,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:31,622 INFO L422 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] [2020-11-22 13:08:31,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 13:08:31,839 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:31,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:31,840 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2020-11-22 13:08:31,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:31,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292003414] [2020-11-22 13:08:31,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:32,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:32,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:32,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:32,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292003414] [2020-11-22 13:08:32,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:32,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:08:32,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516023525] [2020-11-22 13:08:32,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:32,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:32,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:32,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:32,062 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 4 states. [2020-11-22 13:08:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:32,163 INFO L93 Difference]: Finished difference Result 454 states and 612 transitions. [2020-11-22 13:08:32,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:08:32,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-22 13:08:32,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:32,166 INFO L225 Difference]: With dead ends: 454 [2020-11-22 13:08:32,166 INFO L226 Difference]: Without dead ends: 308 [2020-11-22 13:08:32,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:32,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-11-22 13:08:32,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 256. [2020-11-22 13:08:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-11-22 13:08:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 341 transitions. [2020-11-22 13:08:32,199 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 341 transitions. Word has length 34 [2020-11-22 13:08:32,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:32,199 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 341 transitions. [2020-11-22 13:08:32,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 341 transitions. [2020-11-22 13:08:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-22 13:08:32,200 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:32,200 INFO L422 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] [2020-11-22 13:08:32,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 13:08:32,416 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:32,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:32,417 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2020-11-22 13:08:32,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:32,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579227255] [2020-11-22 13:08:32,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:32,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:08:32,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:32,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:32,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579227255] [2020-11-22 13:08:32,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:32,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-22 13:08:32,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874051764] [2020-11-22 13:08:32,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 13:08:32,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:32,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 13:08:32,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:08:32,730 INFO L87 Difference]: Start difference. First operand 256 states and 341 transitions. Second operand 10 states. [2020-11-22 13:08:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:36,015 INFO L93 Difference]: Finished difference Result 990 states and 1296 transitions. [2020-11-22 13:08:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-22 13:08:36,016 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2020-11-22 13:08:36,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:36,020 INFO L225 Difference]: With dead ends: 990 [2020-11-22 13:08:36,020 INFO L226 Difference]: Without dead ends: 740 [2020-11-22 13:08:36,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-11-22 13:08:36,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-11-22 13:08:36,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 256. [2020-11-22 13:08:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-11-22 13:08:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2020-11-22 13:08:36,062 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 35 [2020-11-22 13:08:36,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:36,063 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2020-11-22 13:08:36,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 13:08:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2020-11-22 13:08:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-22 13:08:36,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:36,064 INFO L422 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] [2020-11-22 13:08:36,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 13:08:36,284 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:36,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:36,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1329138851, now seen corresponding path program 1 times [2020-11-22 13:08:36,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:36,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684200855] [2020-11-22 13:08:36,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:36,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:08:36,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:08:36,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:36,545 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 13:08:36,545 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:08:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:08:36,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684200855] [2020-11-22 13:08:36,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1920691623] [2020-11-22 13:08:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:08:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:36,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-22 13:08:36,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:08:36,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:36,969 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 13:08:36,969 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:08:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:08:37,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581404993] [2020-11-22 13:08:37,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 13:08:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:37,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:08:37,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:08:37,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:37,197 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 13:08:37,197 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:08:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:08:37,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 13:08:37,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2020-11-22 13:08:37,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778824070] [2020-11-22 13:08:37,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 13:08:37,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:37,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 13:08:37,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:08:37,220 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand 9 states. [2020-11-22 13:08:41,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:41,527 INFO L93 Difference]: Finished difference Result 2539 states and 3318 transitions. [2020-11-22 13:08:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-22 13:08:41,528 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-11-22 13:08:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:41,542 INFO L225 Difference]: With dead ends: 2539 [2020-11-22 13:08:41,542 INFO L226 Difference]: Without dead ends: 2289 [2020-11-22 13:08:41,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2020-11-22 13:08:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2020-11-22 13:08:41,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 721. [2020-11-22 13:08:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-11-22 13:08:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 967 transitions. [2020-11-22 13:08:41,668 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 967 transitions. Word has length 56 [2020-11-22 13:08:41,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:41,668 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 967 transitions. [2020-11-22 13:08:41,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 13:08:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 967 transitions. [2020-11-22 13:08:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-22 13:08:41,670 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:41,670 INFO L422 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] [2020-11-22 13:08:42,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2020-11-22 13:08:42,294 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:42,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:42,294 INFO L82 PathProgramCache]: Analyzing trace with hash 2030203429, now seen corresponding path program 1 times [2020-11-22 13:08:42,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:42,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107107036] [2020-11-22 13:08:42,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:42,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:42,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 13:08:42,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 13:08:42,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107107036] [2020-11-22 13:08:42,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:42,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:08:42,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644737326] [2020-11-22 13:08:42,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:08:42,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:42,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:08:42,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:42,562 INFO L87 Difference]: Start difference. First operand 721 states and 967 transitions. Second operand 8 states. [2020-11-22 13:08:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:42,696 INFO L93 Difference]: Finished difference Result 1055 states and 1384 transitions. [2020-11-22 13:08:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:42,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-11-22 13:08:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:42,697 INFO L225 Difference]: With dead ends: 1055 [2020-11-22 13:08:42,697 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:08:42,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:08:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:08:42,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:08:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:08:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:08:42,700 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-11-22 13:08:42,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:42,700 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:08:42,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:08:42,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:08:42,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:08:42,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-11-22 13:08:42,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:08:43,061 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-11-22 13:08:43,486 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 150 [2020-11-22 13:08:43,701 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 140 [2020-11-22 13:08:43,858 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2020-11-22 13:08:44,016 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 126 [2020-11-22 13:08:44,332 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 140 [2020-11-22 13:08:44,608 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 148 [2020-11-22 13:08:44,807 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 150 [2020-11-22 13:08:44,921 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 124 [2020-11-22 13:08:45,097 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 25 [2020-11-22 13:08:46,131 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-11-22 13:08:46,800 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2020-11-22 13:08:46,917 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-11-22 13:08:47,168 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-11-22 13:08:47,950 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 34 [2020-11-22 13:08:48,189 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2020-11-22 13:08:48,938 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 29 [2020-11-22 13:08:49,046 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-11-22 13:08:49,774 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-11-22 13:08:50,627 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-11-22 13:08:51,258 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2020-11-22 13:08:51,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:51,265 INFO L270 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: false [2020-11-22 13:08:51,265 INFO L270 CegarLoopResult]: At program point L102-1(lines 97 105) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse2))) [2020-11-22 13:08:51,265 INFO L270 CegarLoopResult]: At program point L102-2(lines 97 105) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse5 .cse4) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4))) [2020-11-22 13:08:51,266 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:08:51,266 INFO L270 CegarLoopResult]: At program point L102-3(lines 97 105) the Hoare annotation is: false [2020-11-22 13:08:51,266 INFO L270 CegarLoopResult]: At program point L102-4(lines 97 105) the Hoare annotation is: false [2020-11-22 13:08:51,266 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:08:51,266 INFO L270 CegarLoopResult]: At program point L102-5(lines 97 105) the Hoare annotation is: false [2020-11-22 13:08:51,266 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:08:51,266 INFO L270 CegarLoopResult]: At program point L102-6(lines 97 105) the Hoare annotation is: false [2020-11-22 13:08:51,266 INFO L270 CegarLoopResult]: At program point L102-7(lines 97 105) the Hoare annotation is: false [2020-11-22 13:08:51,266 INFO L270 CegarLoopResult]: At program point L102-8(lines 97 105) the Hoare annotation is: false [2020-11-22 13:08:51,266 INFO L274 CegarLoopResult]: For program point L334(lines 334 351) no Hoare annotation was computed. [2020-11-22 13:08:51,266 INFO L274 CegarLoopResult]: For program point L334-1(lines 334 351) no Hoare annotation was computed. [2020-11-22 13:08:51,266 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 351) no Hoare annotation was computed. [2020-11-22 13:08:51,266 INFO L274 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-11-22 13:08:51,267 INFO L270 CegarLoopResult]: At program point L566-2(lines 276 282) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse1 .cse6 .cse4 .cse5))) [2020-11-22 13:08:51,267 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-11-22 13:08:51,267 INFO L270 CegarLoopResult]: At program point L500-1(lines 1 984) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse1 .cse7 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse4) (and .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse6 .cse4 .cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6)))) [2020-11-22 13:08:51,267 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-11-22 13:08:51,267 INFO L270 CegarLoopResult]: At program point L500-3(lines 1 984) the Hoare annotation is: false [2020-11-22 13:08:51,267 INFO L274 CegarLoopResult]: For program point L500-4(lines 500 513) no Hoare annotation was computed. [2020-11-22 13:08:51,267 INFO L270 CegarLoopResult]: At program point L500-5(lines 1 984) the Hoare annotation is: false [2020-11-22 13:08:51,267 INFO L274 CegarLoopResult]: For program point L371(lines 371 377) no Hoare annotation was computed. [2020-11-22 13:08:51,267 INFO L274 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-11-22 13:08:51,267 INFO L274 CegarLoopResult]: For program point L371-2(lines 371 377) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L338-1(lines 338 346) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L371-4(lines 371 377) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L371-6(lines 371 377) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L371-8(lines 371 377) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L371-10(lines 371 377) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L504-2(lines 504 510) no Hoare annotation was computed. [2020-11-22 13:08:51,268 INFO L270 CegarLoopResult]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse5))) [2020-11-22 13:08:51,268 INFO L270 CegarLoopResult]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2020-11-22 13:08:51,268 INFO L274 CegarLoopResult]: For program point L504-4(lines 504 510) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L270 CegarLoopResult]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2020-11-22 13:08:51,269 INFO L270 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point L538(lines 538 544) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L270 CegarLoopResult]: At program point L538-1(lines 538 544) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse1 .cse7 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse4) (and .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse6 .cse4 .cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6)))) [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point L142-3(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:08:51,269 INFO L274 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L142-5(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L473-3(lines 473 477) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L308(lines 308 325) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L473-5(lines 473 477) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L308-1(lines 308 325) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L473-6(lines 473 477) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 325) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L308-3(lines 308 325) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L473-8(lines 473 477) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L308-4(lines 308 325) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L308-5(lines 308 325) no Hoare annotation was computed. [2020-11-22 13:08:51,270 INFO L274 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2020-11-22 13:08:51,271 INFO L270 CegarLoopResult]: At program point L276(lines 275 294) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3) (and .cse5 .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse6 .cse2 .cse3))) [2020-11-22 13:08:51,271 INFO L274 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-11-22 13:08:51,271 INFO L270 CegarLoopResult]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2020-11-22 13:08:51,271 INFO L270 CegarLoopResult]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2020-11-22 13:08:51,271 INFO L270 CegarLoopResult]: At program point L607(lines 1 984) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:51,271 INFO L274 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-11-22 13:08:51,271 INFO L274 CegarLoopResult]: For program point L178-1(lines 276 282) no Hoare annotation was computed. [2020-11-22 13:08:51,271 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 13:08:51,271 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 13:08:51,271 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 13:08:51,271 INFO L270 CegarLoopResult]: At program point L576(lines 527 577) the Hoare annotation is: false [2020-11-22 13:08:51,272 INFO L274 CegarLoopResult]: For program point L312(lines 312 320) no Hoare annotation was computed. [2020-11-22 13:08:51,272 INFO L274 CegarLoopResult]: For program point L312-1(lines 312 320) no Hoare annotation was computed. [2020-11-22 13:08:51,272 INFO L274 CegarLoopResult]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2020-11-22 13:08:51,272 INFO L274 CegarLoopResult]: For program point L312-3(lines 312 320) no Hoare annotation was computed. [2020-11-22 13:08:51,272 INFO L274 CegarLoopResult]: For program point L312-4(lines 312 320) no Hoare annotation was computed. [2020-11-22 13:08:51,272 INFO L270 CegarLoopResult]: At program point L147(lines 138 151) the Hoare annotation is: false [2020-11-22 13:08:51,272 INFO L274 CegarLoopResult]: For program point L312-5(lines 312 320) no Hoare annotation was computed. [2020-11-22 13:08:51,272 INFO L270 CegarLoopResult]: At program point L147-1(lines 138 151) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse7 .cse1 .cse3))) [2020-11-22 13:08:51,272 INFO L270 CegarLoopResult]: At program point L147-2(lines 138 151) the Hoare annotation is: false [2020-11-22 13:08:51,272 INFO L270 CegarLoopResult]: At program point L147-3(lines 138 151) the Hoare annotation is: false [2020-11-22 13:08:51,272 INFO L270 CegarLoopResult]: At program point L147-4(lines 138 151) the Hoare annotation is: false [2020-11-22 13:08:51,273 INFO L270 CegarLoopResult]: At program point L147-5(lines 138 151) the Hoare annotation is: false [2020-11-22 13:08:51,273 INFO L270 CegarLoopResult]: At program point L479(lines 464 482) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse4 .cse5 .cse6))) [2020-11-22 13:08:51,273 INFO L270 CegarLoopResult]: At program point L479-1(lines 464 482) the Hoare annotation is: false [2020-11-22 13:08:51,273 INFO L270 CegarLoopResult]: At program point L479-2(lines 464 482) the Hoare annotation is: false [2020-11-22 13:08:51,277 INFO L270 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse5 .cse4) (and .cse1 .cse5 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse6 .cse4))) [2020-11-22 13:08:51,278 INFO L274 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2020-11-22 13:08:51,278 INFO L270 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2020-11-22 13:08:51,278 INFO L270 CegarLoopResult]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2020-11-22 13:08:51,278 INFO L277 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2020-11-22 13:08:51,278 INFO L274 CegarLoopResult]: For program point L548(lines 548 554) no Hoare annotation was computed. [2020-11-22 13:08:51,279 INFO L270 CegarLoopResult]: At program point L548-1(lines 548 554) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse1 .cse6 .cse4 .cse5))) [2020-11-22 13:08:51,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:08:51,279 INFO L270 CegarLoopResult]: At program point L615(lines 610 618) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:51,279 INFO L274 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-11-22 13:08:51,279 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,279 INFO L274 CegarLoopResult]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,279 INFO L274 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,280 INFO L274 CegarLoopResult]: For program point L454-5(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,281 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:08:51,281 INFO L274 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,281 INFO L270 CegarLoopResult]: At program point L223(lines 219 225) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:51,281 INFO L274 CegarLoopResult]: For program point L454-8(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,281 INFO L270 CegarLoopResult]: At program point L157(lines 152 160) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2020-11-22 13:08:51,281 INFO L274 CegarLoopResult]: For program point L454-9(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,283 INFO L270 CegarLoopResult]: At program point L157-1(lines 152 160) the Hoare annotation is: false [2020-11-22 13:08:51,283 INFO L274 CegarLoopResult]: For program point L454-11(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,283 INFO L270 CegarLoopResult]: At program point L157-2(lines 152 160) the Hoare annotation is: false [2020-11-22 13:08:51,283 INFO L274 CegarLoopResult]: For program point L454-12(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,284 INFO L274 CegarLoopResult]: For program point L454-14(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,284 INFO L274 CegarLoopResult]: For program point L454-15(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,284 INFO L274 CegarLoopResult]: For program point L454-17(lines 454 458) no Hoare annotation was computed. [2020-11-22 13:08:51,284 INFO L277 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2020-11-22 13:08:51,284 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:08:51,284 INFO L274 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-11-22 13:08:51,284 INFO L270 CegarLoopResult]: At program point L460(lines 445 463) the Hoare annotation is: false [2020-11-22 13:08:51,284 INFO L270 CegarLoopResult]: At program point L460-1(lines 445 463) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse9 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse4 .cse6 .cse8) (and .cse9 .cse0 .cse2 .cse6 .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7))) [2020-11-22 13:08:51,284 INFO L270 CegarLoopResult]: At program point L460-2(lines 445 463) the Hoare annotation is: false [2020-11-22 13:08:51,285 INFO L270 CegarLoopResult]: At program point L460-3(lines 445 463) the Hoare annotation is: false [2020-11-22 13:08:51,285 INFO L270 CegarLoopResult]: At program point L460-4(lines 445 463) the Hoare annotation is: false [2020-11-22 13:08:51,285 INFO L270 CegarLoopResult]: At program point L460-5(lines 445 463) the Hoare annotation is: false [2020-11-22 13:08:51,285 INFO L274 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-11-22 13:08:51,285 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:08:51,285 INFO L274 CegarLoopResult]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2020-11-22 13:08:51,285 INFO L274 CegarLoopResult]: For program point L65-6(lines 65 69) no Hoare annotation was computed. [2020-11-22 13:08:51,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:51,285 INFO L270 CegarLoopResult]: At program point L396(lines 389 399) the Hoare annotation is: false [2020-11-22 13:08:51,286 INFO L270 CegarLoopResult]: At program point L396-1(lines 389 399) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse2))) [2020-11-22 13:08:51,286 INFO L270 CegarLoopResult]: At program point L396-2(lines 389 399) the Hoare annotation is: false [2020-11-22 13:08:51,286 INFO L270 CegarLoopResult]: At program point L396-3(lines 389 399) the Hoare annotation is: false [2020-11-22 13:08:51,286 INFO L270 CegarLoopResult]: At program point L396-4(lines 389 399) the Hoare annotation is: false [2020-11-22 13:08:51,286 INFO L270 CegarLoopResult]: At program point L396-5(lines 389 399) the Hoare annotation is: false [2020-11-22 13:08:51,286 INFO L274 CegarLoopResult]: For program point L529(lines 528 575) no Hoare annotation was computed. [2020-11-22 13:08:51,286 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-11-22 13:08:51,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:51 BoogieIcfgContainer [2020-11-22 13:08:51,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:51,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:51,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:51,325 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:51,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:26" (3/4) ... [2020-11-22 13:08:51,328 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:08:51,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:08:51,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:08:51,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:08:51,351 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:08:51,353 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:08:51,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:51,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:51,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:08:51,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:08:51,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == tmp) [2020-11-22 13:08:51,380 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == tmp) [2020-11-22 13:08:51,382 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:08:51,383 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:08:51,383 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:08:51,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:08:51,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-11-22 13:08:51,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) [2020-11-22 13:08:51,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:08:51,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:08:51,451 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d2358759-6615-45a4-af56-8135669449bf/bin/utaipan/witness.graphml [2020-11-22 13:08:51,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:51,453 INFO L168 Benchmark]: Toolchain (without parser) took 28039.69 ms. Allocated memory was 56.6 MB in the beginning and 197.1 MB in the end (delta: 140.5 MB). Free memory was 35.1 MB in the beginning and 77.7 MB in the end (delta: -42.7 MB). Peak memory consumption was 96.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:51,453 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.3 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:51,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.79 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 34.8 MB in the beginning and 44.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:51,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.35 ms. Allocated memory is still 77.6 MB. Free memory was 44.5 MB in the beginning and 60.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:51,454 INFO L168 Benchmark]: Boogie Preprocessor took 94.38 ms. Allocated memory is still 77.6 MB. Free memory was 60.2 MB in the beginning and 57.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:51,455 INFO L168 Benchmark]: RCFGBuilder took 2493.43 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.2 MB in the beginning and 74.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:51,455 INFO L168 Benchmark]: TraceAbstraction took 24562.75 ms. Allocated memory was 94.4 MB in the beginning and 197.1 MB in the end (delta: 102.8 MB). Free memory was 73.4 MB in the beginning and 90.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 123.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:51,456 INFO L168 Benchmark]: Witness Printer took 126.65 ms. Allocated memory is still 197.1 MB. Free memory was 90.3 MB in the beginning and 77.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:51,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.3 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 666.79 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 34.8 MB in the beginning and 44.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.35 ms. Allocated memory is still 77.6 MB. Free memory was 44.5 MB in the beginning and 60.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.38 ms. Allocated memory is still 77.6 MB. Free memory was 60.2 MB in the beginning and 57.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2493.43 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.2 MB in the beginning and 74.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24562.75 ms. Allocated memory was 94.4 MB in the beginning and 197.1 MB in the end (delta: 102.8 MB). Free memory was 73.4 MB in the beginning and 90.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 123.1 MB. Max. memory is 16.1 GB. * Witness Printer took 126.65 ms. Allocated memory is still 197.1 MB. Free memory was 90.3 MB in the beginning and 77.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == tmp) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == tmp) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1494 SDtfs, 2664 SDslu, 3850 SDs, 0 SdLazy, 532 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1020 GetRequests, 943 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=721occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2686 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 192 NumberOfFragments, 1204 HoareAnnotationTreeSize, 55 FomulaSimplifications, 2458678 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 563296 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 115360 SizeOfPredicates, 38 NumberOfNonLiveVariables, 3063 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...