./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 730b837dafcd2995b5acc94906fc5437a0c170a6 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 730b837dafcd2995b5acc94906fc5437a0c170a6 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:30:38,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:30:38,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:30:38,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:30:38,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:30:38,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:30:38,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:30:38,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:30:38,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:30:38,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:30:38,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:30:38,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:30:38,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:30:38,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:30:38,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:30:38,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:30:38,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:30:38,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:30:38,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:30:38,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:30:38,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:30:38,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:30:38,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:30:38,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:30:38,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:30:38,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:30:38,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:30:38,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:30:38,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:30:38,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:30:38,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:30:38,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:30:38,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:30:38,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:30:38,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:30:38,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:30:38,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:30:38,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:30:38,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:30:38,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:30:38,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:30:38,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:30:38,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:30:38,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:30:38,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:30:38,825 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:30:38,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:30:38,825 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:30:38,825 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:30:38,826 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:30:38,826 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:30:38,826 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:30:38,826 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:30:38,826 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:30:38,827 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:30:38,827 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:30:38,827 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:30:38,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:30:38,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:30:38,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:30:38,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:30:38,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:30:38,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:30:38,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:30:38,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:30:38,829 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:30:38,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:30:38,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:30:38,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:30:38,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:30:38,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:30:38,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:30:38,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:30:38,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:30:38,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:30:38,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:30:38,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:30:38,831 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:30:38,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:30:38,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:30:38,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:30:38,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:30:38,832 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fb5be410-fd31-41c3-a88c-3470d5e54311/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(__VERIFIER_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 -> 730b837dafcd2995b5acc94906fc5437a0c170a6 [2019-12-07 19:30:38,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:30:38,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:30:38,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:30:38,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:30:38,940 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:30:38,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2019-12-07 19:30:38,977 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/0ad1e7f77/9b57491d7a0c4bcd85f021d77404549e/FLAGc1b7b6bc1 [2019-12-07 19:30:39,428 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:30:39,428 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2019-12-07 19:30:39,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/0ad1e7f77/9b57491d7a0c4bcd85f021d77404549e/FLAGc1b7b6bc1 [2019-12-07 19:30:39,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/0ad1e7f77/9b57491d7a0c4bcd85f021d77404549e [2019-12-07 19:30:39,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:30:39,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:30:39,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:30:39,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:30:39,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:30:39,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:30:39" (1/1) ... [2019-12-07 19:30:39,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:39, skipping insertion in model container [2019-12-07 19:30:39,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:30:39" (1/1) ... [2019-12-07 19:30:39,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:30:39,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:30:39,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:30:39,712 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) [2019-12-07 19:30:39,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@277bc667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:39, skipping insertion in model container [2019-12-07 19:30:39,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:30:39,713 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:30:39,714 INFO L168 Benchmark]: Toolchain (without parser) took 265.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:39,715 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:30:39,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:39,716 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 0.1.25-f470102 [2019-12-07 19:30:40,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:30:40,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:30:40,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:30:40,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:30:40,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:30:40,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:30:40,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:30:40,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:30:40,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:30:40,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:30:40,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:30:40,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:30:40,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:30:40,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:30:40,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:30:40,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:30:40,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:30:40,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:30:40,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:30:40,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:30:40,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:30:40,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:30:40,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:30:40,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:30:40,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:30:40,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:30:40,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:30:40,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:30:40,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:30:40,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:30:40,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:30:40,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:30:40,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:30:40,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:30:40,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:30:40,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:30:40,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:30:40,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:30:40,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:30:40,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:30:40,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:30:40,867 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:30:40,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:30:40,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:30:40,868 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:30:40,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:30:40,868 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:30:40,868 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:30:40,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:30:40,868 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:30:40,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:30:40,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:30:40,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:30:40,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:30:40,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:30:40,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:30:40,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:30:40,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:30:40,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:30:40,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:30:40,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:30:40,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:30:40,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:30:40,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:30:40,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:30:40,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:30:40,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:30:40,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:30:40,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:30:40,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:30:40,872 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_fb5be410-fd31-41c3-a88c-3470d5e54311/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(__VERIFIER_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 -> 730b837dafcd2995b5acc94906fc5437a0c170a6 [2019-12-07 19:30:41,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:30:41,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:30:41,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:30:41,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:30:41,053 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:30:41,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2019-12-07 19:30:41,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/40981e527/23e8b375e58441158f396f160b6c5c88/FLAG85cd9b762 [2019-12-07 19:30:41,572 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:30:41,573 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2019-12-07 19:30:41,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/40981e527/23e8b375e58441158f396f160b6c5c88/FLAG85cd9b762 [2019-12-07 19:30:41,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/data/40981e527/23e8b375e58441158f396f160b6c5c88 [2019-12-07 19:30:41,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:30:41,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:30:41,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:30:41,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:30:41,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:30:41,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:41,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41, skipping insertion in model container [2019-12-07 19:30:41,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:41,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:30:41,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:30:41,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:30:41,852 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:30:41,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:30:41,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:30:41,901 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:30:41,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:30:41,967 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:30:41,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41 WrapperNode [2019-12-07 19:30:41,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:30:41,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:30:41,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:30:41,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:30:41,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:41,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:30:42,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:30:42,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:30:42,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:30:42,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... [2019-12-07 19:30:42,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:30:42,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:30:42,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:30:42,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:30:42,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:30:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:30:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:30:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:30:42,827 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:30:42,827 INFO L287 CfgBuilder]: Removed 284 assume(true) statements. [2019-12-07 19:30:42,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:30:42 BoogieIcfgContainer [2019-12-07 19:30:42,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:30:42,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:30:42,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:30:42,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:30:42,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:30:41" (1/3) ... [2019-12-07 19:30:42,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6701362a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:30:42, skipping insertion in model container [2019-12-07 19:30:42,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:30:41" (2/3) ... [2019-12-07 19:30:42,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6701362a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:30:42, skipping insertion in model container [2019-12-07 19:30:42,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:30:42" (3/3) ... [2019-12-07 19:30:42,834 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2019-12-07 19:30:42,841 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:30:42,846 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:30:42,854 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:30:42,872 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:30:42,872 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:30:42,872 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:30:42,872 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:30:42,872 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:30:42,872 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:30:42,873 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:30:42,873 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:30:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-12-07 19:30:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 19:30:42,891 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:42,892 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:30:42,892 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:42,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:42,896 INFO L82 PathProgramCache]: Analyzing trace with hash -217592316, now seen corresponding path program 1 times [2019-12-07 19:30:42,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:42,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833148512] [2019-12-07 19:30:42,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:43,044 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:30:43,048 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:43,059 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:43,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833148512] [2019-12-07 19:30:43,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:43,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:30:43,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481565707] [2019-12-07 19:30:43,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:30:43,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:43,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:30:43,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:30:43,080 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-12-07 19:30:43,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:43,115 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2019-12-07 19:30:43,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:30:43,117 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 19:30:43,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:43,128 INFO L225 Difference]: With dead ends: 383 [2019-12-07 19:30:43,128 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 19:30:43,132 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:30:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 19:30:43,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-12-07 19:30:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-07 19:30:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2019-12-07 19:30:43,174 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2019-12-07 19:30:43,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:43,174 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2019-12-07 19:30:43,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:30:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2019-12-07 19:30:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 19:30:43,176 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:43,176 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:30:43,377 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:30:43,377 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:43,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:43,377 INFO L82 PathProgramCache]: Analyzing trace with hash -436428285, now seen corresponding path program 1 times [2019-12-07 19:30:43,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:43,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577106853] [2019-12-07 19:30:43,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:43,499 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:30:43,500 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:43,513 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:43,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577106853] [2019-12-07 19:30:43,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:43,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:30:43,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266754009] [2019-12-07 19:30:43,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:30:43,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:43,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:30:43,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:30:43,524 INFO L87 Difference]: Start difference. First operand 191 states and 286 transitions. Second operand 4 states. [2019-12-07 19:30:43,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:43,536 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2019-12-07 19:30:43,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:30:43,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 19:30:43,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:43,538 INFO L225 Difference]: With dead ends: 191 [2019-12-07 19:30:43,538 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 19:30:43,539 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:30:43,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 19:30:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 19:30:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 19:30:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2019-12-07 19:30:43,544 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2019-12-07 19:30:43,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:43,544 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2019-12-07 19:30:43,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:30:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2019-12-07 19:30:43,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 19:30:43,545 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:43,545 INFO L410 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] [2019-12-07 19:30:43,746 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:30:43,746 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:43,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:43,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1212083136, now seen corresponding path program 1 times [2019-12-07 19:30:43,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:43,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869491905] [2019-12-07 19:30:43,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:43,885 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:30:43,886 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:43,895 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:43,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869491905] [2019-12-07 19:30:43,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:43,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:30:43,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236963333] [2019-12-07 19:30:43,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:30:43,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:43,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:30:43,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:30:43,903 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand 4 states. [2019-12-07 19:30:43,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:43,961 INFO L93 Difference]: Finished difference Result 235 states and 355 transitions. [2019-12-07 19:30:43,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:30:43,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 19:30:43,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:43,963 INFO L225 Difference]: With dead ends: 235 [2019-12-07 19:30:43,963 INFO L226 Difference]: Without dead ends: 167 [2019-12-07 19:30:43,964 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:30:43,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-12-07 19:30:43,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 95. [2019-12-07 19:30:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 19:30:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 142 transitions. [2019-12-07 19:30:43,976 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 142 transitions. Word has length 24 [2019-12-07 19:30:43,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:43,976 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 142 transitions. [2019-12-07 19:30:43,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:30:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2019-12-07 19:30:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 19:30:43,978 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:43,978 INFO L410 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] [2019-12-07 19:30:44,178 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:30:44,179 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:44,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:44,179 INFO L82 PathProgramCache]: Analyzing trace with hash 471692742, now seen corresponding path program 1 times [2019-12-07 19:30:44,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:44,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544734274] [2019-12-07 19:30:44,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:44,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:30:44,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:44,337 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:44,340 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544734274] [2019-12-07 19:30:44,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:44,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:30:44,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663647775] [2019-12-07 19:30:44,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:30:44,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:44,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:30:44,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:30:44,341 INFO L87 Difference]: Start difference. First operand 95 states and 142 transitions. Second operand 3 states. [2019-12-07 19:30:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:44,374 INFO L93 Difference]: Finished difference Result 193 states and 291 transitions. [2019-12-07 19:30:44,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:30:44,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 19:30:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:44,376 INFO L225 Difference]: With dead ends: 193 [2019-12-07 19:30:44,376 INFO L226 Difference]: Without dead ends: 105 [2019-12-07 19:30:44,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:30:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-12-07 19:30:44,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2019-12-07 19:30:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 19:30:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2019-12-07 19:30:44,386 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 27 [2019-12-07 19:30:44,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:44,386 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2019-12-07 19:30:44,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:30:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2019-12-07 19:30:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 19:30:44,387 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:44,387 INFO L410 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] [2019-12-07 19:30:44,588 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:30:44,588 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:44,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:44,589 INFO L82 PathProgramCache]: Analyzing trace with hash -624194039, now seen corresponding path program 1 times [2019-12-07 19:30:44,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:44,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522941604] [2019-12-07 19:30:44,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:44,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:30:44,718 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:44,731 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:44,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522941604] [2019-12-07 19:30:44,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:44,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 19:30:44,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145638035] [2019-12-07 19:30:44,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:30:44,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:44,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:30:44,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:30:44,740 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand 5 states. [2019-12-07 19:30:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:44,829 INFO L93 Difference]: Finished difference Result 492 states and 716 transitions. [2019-12-07 19:30:44,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 19:30:44,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 19:30:44,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:44,832 INFO L225 Difference]: With dead ends: 492 [2019-12-07 19:30:44,832 INFO L226 Difference]: Without dead ends: 396 [2019-12-07 19:30:44,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:30:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-12-07 19:30:44,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 188. [2019-12-07 19:30:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-07 19:30:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2019-12-07 19:30:44,870 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 27 [2019-12-07 19:30:44,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:44,870 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2019-12-07 19:30:44,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:30:44,870 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2019-12-07 19:30:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 19:30:44,871 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:44,871 INFO L410 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] [2019-12-07 19:30:45,072 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:30:45,072 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:45,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash -2058339199, now seen corresponding path program 1 times [2019-12-07 19:30:45,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:45,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871547922] [2019-12-07 19:30:45,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:45,180 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:30:45,181 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:45,195 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:45,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871547922] [2019-12-07 19:30:45,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:45,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:30:45,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49217262] [2019-12-07 19:30:45,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:30:45,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:45,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:30:45,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:30:45,199 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand 5 states. [2019-12-07 19:30:45,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:45,377 INFO L93 Difference]: Finished difference Result 703 states and 1003 transitions. [2019-12-07 19:30:45,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 19:30:45,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 19:30:45,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:45,380 INFO L225 Difference]: With dead ends: 703 [2019-12-07 19:30:45,380 INFO L226 Difference]: Without dead ends: 522 [2019-12-07 19:30:45,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:30:45,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-12-07 19:30:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2019-12-07 19:30:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-12-07 19:30:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 261 transitions. [2019-12-07 19:30:45,393 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 261 transitions. Word has length 28 [2019-12-07 19:30:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:45,393 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 261 transitions. [2019-12-07 19:30:45,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:30:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 261 transitions. [2019-12-07 19:30:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:30:45,394 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:45,394 INFO L410 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] [2019-12-07 19:30:45,595 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 19:30:45,596 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:45,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:45,596 INFO L82 PathProgramCache]: Analyzing trace with hash 952156187, now seen corresponding path program 1 times [2019-12-07 19:30:45,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:45,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644513683] [2019-12-07 19:30:45,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:45,758 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:30:45,759 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:45,770 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:45,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644513683] [2019-12-07 19:30:45,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:45,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:30:45,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720916304] [2019-12-07 19:30:45,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:30:45,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:45,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:30:45,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:30:45,775 INFO L87 Difference]: Start difference. First operand 186 states and 261 transitions. Second operand 5 states. [2019-12-07 19:30:45,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:45,847 INFO L93 Difference]: Finished difference Result 537 states and 745 transitions. [2019-12-07 19:30:45,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 19:30:45,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 19:30:45,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:45,849 INFO L225 Difference]: With dead ends: 537 [2019-12-07 19:30:45,850 INFO L226 Difference]: Without dead ends: 358 [2019-12-07 19:30:45,850 INFO L630 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 [2019-12-07 19:30:45,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2019-12-07 19:30:45,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2019-12-07 19:30:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 19:30:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 279 transitions. [2019-12-07 19:30:45,868 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 279 transitions. Word has length 34 [2019-12-07 19:30:45,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:45,868 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 279 transitions. [2019-12-07 19:30:45,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:30:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 279 transitions. [2019-12-07 19:30:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:30:45,869 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:45,870 INFO L410 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] [2019-12-07 19:30:46,070 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 19:30:46,071 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:46,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:46,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1653220765, now seen corresponding path program 1 times [2019-12-07 19:30:46,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:46,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507371926] [2019-12-07 19:30:46,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:46,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 19:30:46,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:46,219 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:46,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507371926] [2019-12-07 19:30:46,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:46,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 19:30:46,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048766286] [2019-12-07 19:30:46,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 19:30:46,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:46,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 19:30:46,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 19:30:46,232 INFO L87 Difference]: Start difference. First operand 204 states and 279 transitions. Second operand 6 states. [2019-12-07 19:30:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:46,297 INFO L93 Difference]: Finished difference Result 587 states and 795 transitions. [2019-12-07 19:30:46,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:30:46,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 19:30:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:46,299 INFO L225 Difference]: With dead ends: 587 [2019-12-07 19:30:46,299 INFO L226 Difference]: Without dead ends: 390 [2019-12-07 19:30:46,300 INFO L630 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 [2019-12-07 19:30:46,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-12-07 19:30:46,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 216. [2019-12-07 19:30:46,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 19:30:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2019-12-07 19:30:46,315 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 34 [2019-12-07 19:30:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:46,315 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2019-12-07 19:30:46,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 19:30:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2019-12-07 19:30:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 19:30:46,316 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:46,316 INFO L410 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] [2019-12-07 19:30:46,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 19:30:46,517 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:46,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:46,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1066414751, now seen corresponding path program 1 times [2019-12-07 19:30:46,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:46,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204927827] [2019-12-07 19:30:46,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:46,600 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:30:46,601 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:46,607 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:46,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204927827] [2019-12-07 19:30:46,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:46,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 19:30:46,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242861570] [2019-12-07 19:30:46,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:30:46,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:46,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:30:46,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:30:46,619 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand 4 states. [2019-12-07 19:30:46,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:46,686 INFO L93 Difference]: Finished difference Result 682 states and 923 transitions. [2019-12-07 19:30:46,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:30:46,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 19:30:46,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:46,688 INFO L225 Difference]: With dead ends: 682 [2019-12-07 19:30:46,688 INFO L226 Difference]: Without dead ends: 473 [2019-12-07 19:30:46,689 INFO L630 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 [2019-12-07 19:30:46,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-12-07 19:30:46,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 381. [2019-12-07 19:30:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-12-07 19:30:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 508 transitions. [2019-12-07 19:30:46,710 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 508 transitions. Word has length 34 [2019-12-07 19:30:46,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:46,710 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 508 transitions. [2019-12-07 19:30:46,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:30:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 508 transitions. [2019-12-07 19:30:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 19:30:46,710 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:46,711 INFO L410 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] [2019-12-07 19:30:46,911 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 19:30:46,911 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:46,912 INFO L82 PathProgramCache]: Analyzing trace with hash -329531425, now seen corresponding path program 1 times [2019-12-07 19:30:46,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:46,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095888994] [2019-12-07 19:30:46,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:47,003 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:30:47,005 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:47,011 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:47,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095888994] [2019-12-07 19:30:47,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:47,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 19:30:47,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775900202] [2019-12-07 19:30:47,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:30:47,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:47,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:30:47,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:30:47,015 INFO L87 Difference]: Start difference. First operand 381 states and 508 transitions. Second operand 3 states. [2019-12-07 19:30:47,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:47,082 INFO L93 Difference]: Finished difference Result 643 states and 852 transitions. [2019-12-07 19:30:47,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:30:47,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-12-07 19:30:47,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:47,085 INFO L225 Difference]: With dead ends: 643 [2019-12-07 19:30:47,085 INFO L226 Difference]: Without dead ends: 641 [2019-12-07 19:30:47,086 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:30:47,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2019-12-07 19:30:47,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 470. [2019-12-07 19:30:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-12-07 19:30:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 639 transitions. [2019-12-07 19:30:47,114 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 639 transitions. Word has length 35 [2019-12-07 19:30:47,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:47,114 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 639 transitions. [2019-12-07 19:30:47,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:30:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 639 transitions. [2019-12-07 19:30:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 19:30:47,115 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:47,115 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:30:47,316 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 19:30:47,316 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:47,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1979064958, now seen corresponding path program 1 times [2019-12-07 19:30:47,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:47,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558472267] [2019-12-07 19:30:47,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/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 [2019-12-07 19:30:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:47,426 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:30:47,428 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:47,436 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:30:47,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558472267] [2019-12-07 19:30:47,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:47,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:30:47,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991708916] [2019-12-07 19:30:47,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:30:47,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:47,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:30:47,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:30:47,446 INFO L87 Difference]: Start difference. First operand 470 states and 639 transitions. Second operand 4 states. [2019-12-07 19:30:47,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:47,657 INFO L93 Difference]: Finished difference Result 855 states and 1175 transitions. [2019-12-07 19:30:47,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:30:47,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2019-12-07 19:30:47,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:47,659 INFO L225 Difference]: With dead ends: 855 [2019-12-07 19:30:47,659 INFO L226 Difference]: Without dead ends: 392 [2019-12-07 19:30:47,660 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:30:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-12-07 19:30:47,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2019-12-07 19:30:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-12-07 19:30:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 514 transitions. [2019-12-07 19:30:47,697 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 514 transitions. Word has length 60 [2019-12-07 19:30:47,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:47,697 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 514 transitions. [2019-12-07 19:30:47,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:30:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 514 transitions. [2019-12-07 19:30:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 19:30:47,699 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:47,699 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:30:47,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 19:30:47,899 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:47,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:47,900 INFO L82 PathProgramCache]: Analyzing trace with hash -297745622, now seen corresponding path program 1 times [2019-12-07 19:30:47,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:47,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294224393] [2019-12-07 19:30:47,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 19:30:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:47,994 INFO L264 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:30:47,995 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 19:30:48,000 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 19:30:48,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294224393] [2019-12-07 19:30:48,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:48,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 19:30:48,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094114469] [2019-12-07 19:30:48,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:30:48,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:48,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:30:48,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:30:48,004 INFO L87 Difference]: Start difference. First operand 392 states and 514 transitions. Second operand 3 states. [2019-12-07 19:30:48,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:48,168 INFO L93 Difference]: Finished difference Result 776 states and 1017 transitions. [2019-12-07 19:30:48,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:30:48,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-12-07 19:30:48,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:48,171 INFO L225 Difference]: With dead ends: 776 [2019-12-07 19:30:48,171 INFO L226 Difference]: Without dead ends: 391 [2019-12-07 19:30:48,172 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:30:48,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-12-07 19:30:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 379. [2019-12-07 19:30:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-12-07 19:30:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 493 transitions. [2019-12-07 19:30:48,199 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 493 transitions. Word has length 63 [2019-12-07 19:30:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:48,199 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 493 transitions. [2019-12-07 19:30:48,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:30:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 493 transitions. [2019-12-07 19:30:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 19:30:48,200 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:30:48,200 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:30:48,401 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 19:30:48,401 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:30:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:30:48,401 INFO L82 PathProgramCache]: Analyzing trace with hash 751274022, now seen corresponding path program 1 times [2019-12-07 19:30:48,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:30:48,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593929193] [2019-12-07 19:30:48,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 19:30:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:30:48,500 INFO L264 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 19:30:48,501 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:30:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:30:48,520 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:30:48,549 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 19:30:48,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593929193] [2019-12-07 19:30:48,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:30:48,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 19:30:48,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800626099] [2019-12-07 19:30:48,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 19:30:48,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:30:48,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 19:30:48,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 19:30:48,551 INFO L87 Difference]: Start difference. First operand 379 states and 493 transitions. Second operand 10 states. [2019-12-07 19:30:48,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:30:48,908 INFO L93 Difference]: Finished difference Result 1490 states and 1912 transitions. [2019-12-07 19:30:48,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 19:30:48,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2019-12-07 19:30:48,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:30:48,908 INFO L225 Difference]: With dead ends: 1490 [2019-12-07 19:30:48,908 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:30:48,910 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2019-12-07 19:30:48,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:30:48,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:30:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:30:48,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:30:48,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-12-07 19:30:48,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:30:48,911 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:30:48,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 19:30:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:30:48,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:30:49,112 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 19:30:49,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:30:49,277 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-12-07 19:30:49,383 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-12-07 19:30:49,738 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2019-12-07 19:30:49,849 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 108 [2019-12-07 19:30:50,000 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 168 [2019-12-07 19:30:50,265 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 196 [2019-12-07 19:30:50,466 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 171 [2019-12-07 19:30:50,850 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2019-12-07 19:30:51,301 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2019-12-07 19:30:51,862 WARN L192 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2019-12-07 19:30:52,685 WARN L192 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 33 [2019-12-07 19:30:53,202 WARN L192 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 14 [2019-12-07 19:30:53,939 WARN L192 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 30 [2019-12-07 19:30:55,161 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 191 DAG size of output: 35 [2019-12-07 19:30:55,343 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2019-12-07 19:30:56,460 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 167 DAG size of output: 24 [2019-12-07 19:30:56,674 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2019-12-07 19:30:57,376 WARN L192 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 29 [2019-12-07 19:30:58,375 WARN L192 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2019-12-07 19:30:59,214 WARN L192 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-12-07 19:30:59,240 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 19:30:59,240 INFO L246 CegarLoopResult]: For program point L663(lines 663 680) no Hoare annotation was computed. [2019-12-07 19:30:59,241 INFO L246 CegarLoopResult]: For program point L663-1(lines 663 680) no Hoare annotation was computed. [2019-12-07 19:30:59,241 INFO L246 CegarLoopResult]: For program point L663-2(lines 663 680) no Hoare annotation was computed. [2019-12-07 19:30:59,241 INFO L242 CegarLoopResult]: At program point L466(lines 461 469) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 19:30:59,242 INFO L242 CegarLoopResult]: At program point L466-1(lines 461 469) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse4))) [2019-12-07 19:30:59,242 INFO L242 CegarLoopResult]: At program point L466-2(lines 461 469) the Hoare annotation is: false [2019-12-07 19:30:59,242 INFO L242 CegarLoopResult]: At program point L466-3(lines 461 469) the Hoare annotation is: false [2019-12-07 19:30:59,242 INFO L242 CegarLoopResult]: At program point L466-4(lines 461 469) the Hoare annotation is: false [2019-12-07 19:30:59,242 INFO L242 CegarLoopResult]: At program point L466-5(lines 461 469) the Hoare annotation is: false [2019-12-07 19:30:59,242 INFO L246 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2019-12-07 19:30:59,242 INFO L242 CegarLoopResult]: At program point L533(lines 528 535) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:30:59,243 INFO L246 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-12-07 19:30:59,243 INFO L246 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2019-12-07 19:30:59,243 INFO L242 CegarLoopResult]: At program point L798-1(lines 798 804) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 19:30:59,243 INFO L246 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,243 INFO L246 CegarLoopResult]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,243 INFO L246 CegarLoopResult]: For program point L765-3(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,243 INFO L246 CegarLoopResult]: For program point L765-5(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,243 INFO L246 CegarLoopResult]: For program point L765-6(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-8(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-9(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-11(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-12(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-14(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-15(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-17(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-18(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,244 INFO L246 CegarLoopResult]: For program point L765-20(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-21(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-23(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-24(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-26(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-27(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-29(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-30(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-32(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,245 INFO L246 CegarLoopResult]: For program point L765-33(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,246 INFO L246 CegarLoopResult]: For program point L667(lines 667 675) no Hoare annotation was computed. [2019-12-07 19:30:59,246 INFO L246 CegarLoopResult]: For program point L667-1(lines 667 675) no Hoare annotation was computed. [2019-12-07 19:30:59,246 INFO L246 CegarLoopResult]: For program point L765-35(lines 765 769) no Hoare annotation was computed. [2019-12-07 19:30:59,246 INFO L246 CegarLoopResult]: For program point L667-2(lines 667 675) no Hoare annotation was computed. [2019-12-07 19:30:59,246 INFO L246 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-12-07 19:30:59,246 INFO L242 CegarLoopResult]: At program point L867-1(lines 579 585) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not .cse7)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse3) (and .cse4 .cse2 .cse7 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse3) (and .cse4 .cse6 .cse7 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3)))) [2019-12-07 19:30:59,246 INFO L246 CegarLoopResult]: For program point L637(lines 637 654) no Hoare annotation was computed. [2019-12-07 19:30:59,246 INFO L246 CegarLoopResult]: For program point L637-1(lines 637 654) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point L637-2(lines 637 654) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point L637-3(lines 637 654) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point L637-4(lines 637 654) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point L637-5(lines 637 654) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,247 INFO L246 CegarLoopResult]: For program point L506-2(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-3(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-4(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-5(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-6(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-7(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-8(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-9(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-10(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L246 CegarLoopResult]: For program point L506-11(lines 506 512) no Hoare annotation was computed. [2019-12-07 19:30:59,248 INFO L242 CegarLoopResult]: At program point L771(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,249 INFO L242 CegarLoopResult]: At program point L771-1(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,249 INFO L242 CegarLoopResult]: At program point L771-2(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,249 INFO L242 CegarLoopResult]: At program point L771-3(lines 756 774) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)))) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 19:30:59,249 INFO L242 CegarLoopResult]: At program point L771-4(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,249 INFO L242 CegarLoopResult]: At program point L771-5(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,249 INFO L242 CegarLoopResult]: At program point L771-6(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,249 INFO L242 CegarLoopResult]: At program point L771-7(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,250 INFO L242 CegarLoopResult]: At program point L771-8(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,250 INFO L242 CegarLoopResult]: At program point L771-9(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,250 INFO L246 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-12-07 19:30:59,250 INFO L242 CegarLoopResult]: At program point L771-10(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,250 INFO L242 CegarLoopResult]: At program point L771-11(lines 756 774) the Hoare annotation is: false [2019-12-07 19:30:59,250 INFO L242 CegarLoopResult]: At program point L937-2(lines 937 951) the Hoare annotation is: false [2019-12-07 19:30:59,250 INFO L246 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2019-12-07 19:30:59,250 INFO L246 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-12-07 19:30:59,251 INFO L242 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse7 .cse9 .cse4) (and .cse0 .cse8 .cse1 .cse6 .cse7 .cse4 .cse9) (and .cse5 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 19:30:59,251 INFO L242 CegarLoopResult]: At program point L707(lines 700 710) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))))) [2019-12-07 19:30:59,251 INFO L242 CegarLoopResult]: At program point L707-1(lines 700 710) the Hoare annotation is: false [2019-12-07 19:30:59,251 INFO L246 CegarLoopResult]: For program point L641(lines 641 649) no Hoare annotation was computed. [2019-12-07 19:30:59,251 INFO L242 CegarLoopResult]: At program point L707-2(lines 700 710) the Hoare annotation is: false [2019-12-07 19:30:59,251 INFO L246 CegarLoopResult]: For program point L641-1(lines 641 649) no Hoare annotation was computed. [2019-12-07 19:30:59,251 INFO L246 CegarLoopResult]: For program point L641-2(lines 641 649) no Hoare annotation was computed. [2019-12-07 19:30:59,251 INFO L246 CegarLoopResult]: For program point L641-3(lines 641 649) no Hoare annotation was computed. [2019-12-07 19:30:59,251 INFO L246 CegarLoopResult]: For program point L641-4(lines 641 649) no Hoare annotation was computed. [2019-12-07 19:30:59,252 INFO L246 CegarLoopResult]: For program point L641-5(lines 641 649) no Hoare annotation was computed. [2019-12-07 19:30:59,252 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 19:30:59,252 INFO L246 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-12-07 19:30:59,252 INFO L246 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-12-07 19:30:59,252 INFO L246 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2019-12-07 19:30:59,252 INFO L242 CegarLoopResult]: At program point L511(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,252 INFO L242 CegarLoopResult]: At program point L544-1(lines 1 1021) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse7 .cse9 .cse4) (and .cse0 .cse8 .cse1 .cse6 .cse7 .cse4 .cse9) (and .cse5 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 19:30:59,252 INFO L242 CegarLoopResult]: At program point L511-1(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,253 INFO L246 CegarLoopResult]: For program point L544-2(lines 544 561) no Hoare annotation was computed. [2019-12-07 19:30:59,253 INFO L242 CegarLoopResult]: At program point L511-2(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,253 INFO L242 CegarLoopResult]: At program point L544-3(lines 1 1021) the Hoare annotation is: false [2019-12-07 19:30:59,253 INFO L242 CegarLoopResult]: At program point L511-3(lines 502 515) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 19:30:59,253 INFO L246 CegarLoopResult]: For program point L544-4(lines 544 561) no Hoare annotation was computed. [2019-12-07 19:30:59,253 INFO L242 CegarLoopResult]: At program point L511-4(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,253 INFO L242 CegarLoopResult]: At program point L544-5(lines 1 1021) the Hoare annotation is: false [2019-12-07 19:30:59,253 INFO L242 CegarLoopResult]: At program point L511-5(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,254 INFO L242 CegarLoopResult]: At program point L511-6(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,254 INFO L242 CegarLoopResult]: At program point L511-7(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,254 INFO L242 CegarLoopResult]: At program point L511-8(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,254 INFO L242 CegarLoopResult]: At program point L511-9(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,254 INFO L242 CegarLoopResult]: At program point L511-10(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,254 INFO L242 CegarLoopResult]: At program point L511-11(lines 502 515) the Hoare annotation is: false [2019-12-07 19:30:59,254 INFO L246 CegarLoopResult]: For program point L941(lines 941 945) no Hoare annotation was computed. [2019-12-07 19:30:59,254 INFO L246 CegarLoopResult]: For program point L941-1(lines 579 585) no Hoare annotation was computed. [2019-12-07 19:30:59,254 INFO L246 CegarLoopResult]: For program point L611(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-1(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-2(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-3(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-4(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-5(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-6(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-7(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-8(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-9(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,255 INFO L246 CegarLoopResult]: For program point L611-10(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,256 INFO L246 CegarLoopResult]: For program point L611-11(lines 611 628) no Hoare annotation was computed. [2019-12-07 19:30:59,256 INFO L242 CegarLoopResult]: At program point L579(lines 578 597) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not .cse6)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse1 .cse4 .cse3) (and .cse0 .cse5 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse1 .cse2 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse7 .cse3) (and .cse0 .cse5 .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse7 .cse3)))) [2019-12-07 19:30:59,256 INFO L246 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2019-12-07 19:30:59,256 INFO L242 CegarLoopResult]: At program point L579-2(lines 578 597) the Hoare annotation is: false [2019-12-07 19:30:59,256 INFO L242 CegarLoopResult]: At program point L579-3(lines 578 597) the Hoare annotation is: false [2019-12-07 19:30:59,256 INFO L246 CegarLoopResult]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2019-12-07 19:30:59,256 INFO L249 CegarLoopResult]: At program point L1009-1(lines 1009 1016) the Hoare annotation is: true [2019-12-07 19:30:59,256 INFO L246 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L548-2(lines 548 558) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L548-4(lines 548 558) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L242 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: false [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L615(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L615-1(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L615-2(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L615-3(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,257 INFO L246 CegarLoopResult]: For program point L615-4(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L549-2(lines 549 555) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L615-5(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L615-6(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L549-4(lines 549 555) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L615-7(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L615-8(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L615-9(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L615-10(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,258 INFO L246 CegarLoopResult]: For program point L615-11(lines 615 623) no Hoare annotation was computed. [2019-12-07 19:30:59,259 INFO L242 CegarLoopResult]: At program point L913(lines 1 1021) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:30:59,259 INFO L242 CegarLoopResult]: At program point L716(lines 711 719) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2))) [2019-12-07 19:30:59,259 INFO L242 CegarLoopResult]: At program point L716-1(lines 711 719) the Hoare annotation is: false [2019-12-07 19:30:59,259 INFO L242 CegarLoopResult]: At program point L716-2(lines 711 719) the Hoare annotation is: false [2019-12-07 19:30:59,259 INFO L246 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2019-12-07 19:30:59,259 INFO L242 CegarLoopResult]: At program point L849-1(lines 849 855) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3))) [2019-12-07 19:30:59,259 INFO L246 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2019-12-07 19:30:59,259 INFO L246 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,260 INFO L246 CegarLoopResult]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,260 INFO L246 CegarLoopResult]: For program point L784-3(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,260 INFO L246 CegarLoopResult]: For program point L784-5(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,260 INFO L242 CegarLoopResult]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse5 .cse3 .cse2) (and .cse4 .cse5 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2))) [2019-12-07 19:30:59,260 INFO L246 CegarLoopResult]: For program point L784-6(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,260 INFO L242 CegarLoopResult]: At program point L586-1(lines 586 592) the Hoare annotation is: false [2019-12-07 19:30:59,260 INFO L246 CegarLoopResult]: For program point L784-8(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,260 INFO L242 CegarLoopResult]: At program point L586-2(lines 586 592) the Hoare annotation is: false [2019-12-07 19:30:59,261 INFO L246 CegarLoopResult]: For program point L784-9(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,261 INFO L246 CegarLoopResult]: For program point L784-11(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,261 INFO L246 CegarLoopResult]: For program point L784-12(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,261 INFO L246 CegarLoopResult]: For program point L784-14(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,261 INFO L246 CegarLoopResult]: For program point L784-15(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,261 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:30:59,261 INFO L246 CegarLoopResult]: For program point L784-17(lines 784 788) no Hoare annotation was computed. [2019-12-07 19:30:59,261 INFO L242 CegarLoopResult]: At program point L521(lines 516 524) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:30:59,261 INFO L242 CegarLoopResult]: At program point L521-1(lines 516 524) the Hoare annotation is: false [2019-12-07 19:30:59,261 INFO L242 CegarLoopResult]: At program point L521-2(lines 516 524) the Hoare annotation is: false [2019-12-07 19:30:59,262 INFO L242 CegarLoopResult]: At program point L521-3(lines 516 524) the Hoare annotation is: false [2019-12-07 19:30:59,262 INFO L242 CegarLoopResult]: At program point L521-4(lines 516 524) the Hoare annotation is: false [2019-12-07 19:30:59,262 INFO L242 CegarLoopResult]: At program point L521-5(lines 516 524) the Hoare annotation is: false [2019-12-07 19:30:59,262 INFO L249 CegarLoopResult]: At program point L1018(lines 999 1021) the Hoare annotation is: true [2019-12-07 19:30:59,262 INFO L242 CegarLoopResult]: At program point L985(lines 981 987) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:30:59,262 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:30:59,262 INFO L242 CegarLoopResult]: At program point L921(lines 916 924) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:30:59,262 INFO L242 CegarLoopResult]: At program point L790(lines 775 793) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:30:59,263 INFO L242 CegarLoopResult]: At program point L790-1(lines 775 793) the Hoare annotation is: false [2019-12-07 19:30:59,263 INFO L242 CegarLoopResult]: At program point L790-2(lines 775 793) the Hoare annotation is: false [2019-12-07 19:30:59,263 INFO L242 CegarLoopResult]: At program point L790-3(lines 775 793) the Hoare annotation is: false [2019-12-07 19:30:59,263 INFO L242 CegarLoopResult]: At program point L790-4(lines 775 793) the Hoare annotation is: false [2019-12-07 19:30:59,263 INFO L242 CegarLoopResult]: At program point L790-5(lines 775 793) the Hoare annotation is: false [2019-12-07 19:30:59,263 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:30:59,263 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 19:30:59,263 INFO L246 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2019-12-07 19:30:59,264 INFO L246 CegarLoopResult]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2019-12-07 19:30:59,264 INFO L246 CegarLoopResult]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2019-12-07 19:30:59,264 INFO L246 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2019-12-07 19:30:59,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:30:59 BoogieIcfgContainer [2019-12-07 19:30:59,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:30:59,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:30:59,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:30:59,294 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:30:59,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:30:42" (3/4) ... [2019-12-07 19:30:59,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:30:59,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 19:30:59,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 19:30:59,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 19:30:59,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:30:59,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:30:59,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:30:59,320 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:30:59,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,343 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 19:30:59,343 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,343 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 19:30:59,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 19:30:59,346 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 19:30:59,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fb5be410-fd31-41c3-a88c-3470d5e54311/bin/utaipan/witness.graphml [2019-12-07 19:30:59,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:30:59,403 INFO L168 Benchmark]: Toolchain (without parser) took 17810.05 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 436.7 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -215.7 MB). Peak memory consumption was 221.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:59,403 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:30:59,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:59,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:59,404 INFO L168 Benchmark]: Boogie Preprocessor took 41.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:30:59,404 INFO L168 Benchmark]: RCFGBuilder took 767.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.6 MB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:59,404 INFO L168 Benchmark]: TraceAbstraction took 16464.54 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 985.6 MB in the beginning and 1.2 GB in the end (delta: -203.9 MB). Peak memory consumption was 438.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:59,404 INFO L168 Benchmark]: Witness Printer took 108.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:30:59,406 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 767.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.6 MB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16464.54 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 985.6 MB in the beginning and 1.2 GB in the end (delta: -203.9 MB). Peak memory consumption was 438.3 MB. Max. memory is 11.5 GB. * Witness Printer took 108.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 916]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Result: SAFE, OverallTime: 6.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, HoareTripleCheckerStatistics: 1703 SDtfs, 1963 SDslu, 3081 SDs, 0 SdLazy, 370 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 884 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1221 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 567 NumberOfFragments, 1081 HoareAnnotationTreeSize, 69 FomulaSimplifications, 1364843 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 69 FomulaSimplificationsInter, 724202 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 72232 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2652 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 134/134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...