./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.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_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 ac98b61700c421642ba0cea32b1043bdcac0ece8 ...................................................................................................................................... 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_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 ac98b61700c421642ba0cea32b1043bdcac0ece8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:34:16,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:34:16,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:34:16,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:34:16,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:34:16,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:34:16,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:34:16,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:34:16,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:34:16,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:34:16,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:34:16,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:34:16,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:34:16,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:34:16,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:34:16,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:34:16,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:34:16,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:34:16,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:34:16,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:34:16,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:34:16,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:34:16,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:34:16,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:34:16,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:34:16,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:34:16,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:34:16,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:34:16,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:34:16,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:34:16,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:34:16,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:34:16,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:34:16,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:34:16,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:34:16,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:34:16,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:34:16,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:34:16,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:34:16,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:34:16,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:34:16,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:34:16,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:34:16,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:34:16,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:34:16,935 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:34:16,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:34:16,936 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:34:16,936 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:34:16,937 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:34:16,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:34:16,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:34:16,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:34:16,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:34:16,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:34:16,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:34:16,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:34:16,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:34:16,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:34:16,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:34:16,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:34:16,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:34:16,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:34:16,940 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:34:16,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:34:16,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:34:16,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:34:16,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:34:16,940 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_63288c4d-8782-4897-8d06-519923e6bd2e/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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2019-12-07 16:34:17,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:34:17,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:34:17,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:34:17,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:34:17,058 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:34:17,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-12-07 16:34:17,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/8307dc8ce/1b5bcc47aafd4e24bb8e43b0296ac17e/FLAG560431643 [2019-12-07 16:34:17,549 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:34:17,549 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-12-07 16:34:17,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/8307dc8ce/1b5bcc47aafd4e24bb8e43b0296ac17e/FLAG560431643 [2019-12-07 16:34:17,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/8307dc8ce/1b5bcc47aafd4e24bb8e43b0296ac17e [2019-12-07 16:34:17,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:34:17,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:34:17,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:34:17,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:34:17,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:34:17,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:34:17" (1/1) ... [2019-12-07 16:34:17,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:17, skipping insertion in model container [2019-12-07 16:34:17,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:34:17" (1/1) ... [2019-12-07 16:34:17,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:34:17,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:34:17,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:34:17,826 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 16:34:17,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c0bdc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:17, skipping insertion in model container [2019-12-07 16:34:17,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:34:17,827 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:34:17,828 INFO L168 Benchmark]: Toolchain (without parser) took 259.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:17,829 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:34:17,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:17,831 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 477]: 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 16:34:18,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:34:18,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:34:18,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:34:18,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:34:18,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:34:18,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:34:18,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:34:18,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:34:18,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:34:18,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:34:18,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:34:18,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:34:18,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:34:18,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:34:18,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:34:18,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:34:18,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:34:18,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:34:18,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:34:18,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:34:19,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:34:19,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:34:19,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:34:19,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:34:19,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:34:19,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:34:19,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:34:19,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:34:19,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:34:19,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:34:19,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:34:19,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:34:19,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:34:19,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:34:19,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:34:19,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:34:19,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:34:19,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:34:19,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:34:19,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:34:19,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:34:19,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:34:19,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:34:19,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:34:19,025 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:34:19,025 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:34:19,025 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:34:19,025 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:34:19,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:34:19,026 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:34:19,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:34:19,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:34:19,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:34:19,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:34:19,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:34:19,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:34:19,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:34:19,027 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:34:19,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:34:19,028 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:34:19,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:34:19,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:34:19,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:34:19,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:34:19,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:34:19,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:34:19,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:34:19,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:34:19,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:34:19,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:34:19,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:34:19,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:34:19,029 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:34:19,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:34:19,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:34:19,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:34:19,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:34:19,030 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_63288c4d-8782-4897-8d06-519923e6bd2e/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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2019-12-07 16:34:19,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:34:19,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:34:19,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:34:19,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:34:19,221 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:34:19,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-12-07 16:34:19,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/72da911cd/81aa65a7c8eb402fbbdb1476a05483db/FLAGa7f3f673f [2019-12-07 16:34:19,726 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:34:19,727 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-12-07 16:34:19,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/72da911cd/81aa65a7c8eb402fbbdb1476a05483db/FLAGa7f3f673f [2019-12-07 16:34:19,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/data/72da911cd/81aa65a7c8eb402fbbdb1476a05483db [2019-12-07 16:34:19,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:34:19,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:34:19,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:34:19,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:34:19,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:34:19,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:34:19" (1/1) ... [2019-12-07 16:34:19,752 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 04:34:19, skipping insertion in model container [2019-12-07 16:34:19,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:34:19" (1/1) ... [2019-12-07 16:34:19,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:34:19,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:34:20,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:34:20,013 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:34:20,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:34:20,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:34:20,062 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:34:20,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:34:20,125 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:34:20,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20 WrapperNode [2019-12-07 16:34:20,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:34:20,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:34:20,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:34:20,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:34:20,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:34:20,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:34:20,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:34:20,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:34:20,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... [2019-12-07 16:34:20,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:34:20,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:34:20,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:34:20,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:34:20,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:34:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:34:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:34:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:34:20,788 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:34:20,789 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 16:34:20,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:34:20 BoogieIcfgContainer [2019-12-07 16:34:20,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:34:20,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:34:20,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:34:20,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:34:20,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:34:19" (1/3) ... [2019-12-07 16:34:20,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea32c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:34:20, skipping insertion in model container [2019-12-07 16:34:20,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:34:20" (2/3) ... [2019-12-07 16:34:20,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea32c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:34:20, skipping insertion in model container [2019-12-07 16:34:20,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:34:20" (3/3) ... [2019-12-07 16:34:20,795 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2019-12-07 16:34:20,801 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:34:20,806 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:34:20,814 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:34:20,831 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:34:20,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:34:20,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:34:20,831 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:34:20,831 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:34:20,831 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:34:20,831 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:34:20,831 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:34:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-12-07 16:34:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:34:20,848 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:20,849 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:34:20,849 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:20,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:20,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1794729554, now seen corresponding path program 1 times [2019-12-07 16:34:20,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:20,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785301203] [2019-12-07 16:34:20,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:20,994 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:34:20,997 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:21,008 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 16:34:21,008 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:21,011 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 16:34:21,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785301203] [2019-12-07 16:34:21,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:34:21,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:34:21,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347560457] [2019-12-07 16:34:21,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:34:21,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:21,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:34:21,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:34:21,027 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-12-07 16:34:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:21,049 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2019-12-07 16:34:21,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:34:21,050 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:34:21,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:21,058 INFO L225 Difference]: With dead ends: 232 [2019-12-07 16:34:21,058 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 16:34:21,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:34:21,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 16:34:21,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 16:34:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 16:34:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2019-12-07 16:34:21,091 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2019-12-07 16:34:21,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:21,091 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2019-12-07 16:34:21,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:34:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2019-12-07 16:34:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:34:21,092 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:21,092 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:34:21,293 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:34:21,293 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:21,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:21,294 INFO L82 PathProgramCache]: Analyzing trace with hash 529368141, now seen corresponding path program 1 times [2019-12-07 16:34:21,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:21,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256251841] [2019-12-07 16:34:21,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:21,490 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:34:21,492 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:21,505 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 16:34:21,505 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:21,514 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 16:34:21,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256251841] [2019-12-07 16:34:21,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:34:21,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:34:21,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731482170] [2019-12-07 16:34:21,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:34:21,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:21,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:34:21,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:34:21,517 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 4 states. [2019-12-07 16:34:21,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:21,531 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2019-12-07 16:34:21,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:34:21,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 16:34:21,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:21,533 INFO L225 Difference]: With dead ends: 115 [2019-12-07 16:34:21,533 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 16:34:21,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:34:21,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 16:34:21,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 16:34:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 16:34:21,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-12-07 16:34:21,540 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2019-12-07 16:34:21,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:21,541 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-12-07 16:34:21,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:34:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-12-07 16:34:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:34:21,542 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:21,542 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] [2019-12-07 16:34:21,742 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:34:21,743 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:21,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2019-12-07 16:34:21,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:21,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742606476] [2019-12-07 16:34:21,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:21,850 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:34:21,851 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:21,858 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 16:34:21,858 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:21,864 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 16:34:21,865 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742606476] [2019-12-07 16:34:21,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:34:21,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:34:21,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353794174] [2019-12-07 16:34:21,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:34:21,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:21,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:34:21,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:34:21,866 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2019-12-07 16:34:21,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:21,925 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2019-12-07 16:34:21,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:34:21,925 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 16:34:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:21,927 INFO L225 Difference]: With dead ends: 158 [2019-12-07 16:34:21,927 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 16:34:21,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:34:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 16:34:21,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 68. [2019-12-07 16:34:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 16:34:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2019-12-07 16:34:21,938 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2019-12-07 16:34:21,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:21,938 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2019-12-07 16:34:21,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:34:21,939 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2019-12-07 16:34:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:34:21,940 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:21,940 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 16:34:22,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:34:22,141 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:22,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:22,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2019-12-07 16:34:22,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:22,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262082685] [2019-12-07 16:34:22,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:22,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:34:22,308 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:22,314 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 16:34:22,314 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:22,316 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 16:34:22,316 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262082685] [2019-12-07 16:34:22,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:34:22,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:34:22,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458320375] [2019-12-07 16:34:22,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:34:22,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:22,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:34:22,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:34:22,319 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2019-12-07 16:34:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:22,381 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2019-12-07 16:34:22,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:34:22,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 16:34:22,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:22,383 INFO L225 Difference]: With dead ends: 151 [2019-12-07 16:34:22,383 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 16:34:22,384 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:34:22,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 16:34:22,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2019-12-07 16:34:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 16:34:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2019-12-07 16:34:22,394 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2019-12-07 16:34:22,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:22,394 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2019-12-07 16:34:22,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:34:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2019-12-07 16:34:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:34:22,395 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:22,395 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] [2019-12-07 16:34:22,596 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:34:22,596 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:22,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2019-12-07 16:34:22,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:22,598 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026181841] [2019-12-07 16:34:22,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:22,717 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:34:22,718 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:22,731 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 16:34:22,731 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:22,752 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 16:34:22,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026181841] [2019-12-07 16:34:22,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:34:22,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 16:34:22,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279891433] [2019-12-07 16:34:22,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:34:22,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:22,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:34:22,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:34:22,754 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 8 states. [2019-12-07 16:34:22,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:22,990 INFO L93 Difference]: Finished difference Result 626 states and 919 transitions. [2019-12-07 16:34:22,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 16:34:22,991 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 16:34:22,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:22,993 INFO L225 Difference]: With dead ends: 626 [2019-12-07 16:34:22,993 INFO L226 Difference]: Without dead ends: 545 [2019-12-07 16:34:22,994 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 16:34:22,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-12-07 16:34:23,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 216. [2019-12-07 16:34:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 16:34:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2019-12-07 16:34:23,019 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2019-12-07 16:34:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:23,020 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2019-12-07 16:34:23,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:34:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2019-12-07 16:34:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-07 16:34:23,021 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:23,021 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 16:34:23,222 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:34:23,223 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:23,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:23,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1884030316, now seen corresponding path program 1 times [2019-12-07 16:34:23,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:23,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753268784] [2019-12-07 16:34:23,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:23,423 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 16:34:23,426 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:34:23,437 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:34:23,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753268784] [2019-12-07 16:34:23,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [750356917] [2019-12-07 16:34:23,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:34:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:23,553 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:34:23,554 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 16:34:23,577 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 16:34:23,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:34:23,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 16:34:23,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867047736] [2019-12-07 16:34:23,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:34:23,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:23,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:34:23,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:34:23,580 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand 5 states. [2019-12-07 16:34:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:23,723 INFO L93 Difference]: Finished difference Result 510 states and 725 transitions. [2019-12-07 16:34:23,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:34:23,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-12-07 16:34:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:23,727 INFO L225 Difference]: With dead ends: 510 [2019-12-07 16:34:23,727 INFO L226 Difference]: Without dead ends: 508 [2019-12-07 16:34:23,728 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 16:34:23,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2019-12-07 16:34:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 216. [2019-12-07 16:34:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 16:34:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 300 transitions. [2019-12-07 16:34:23,753 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 300 transitions. Word has length 41 [2019-12-07 16:34:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:23,753 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 300 transitions. [2019-12-07 16:34:23,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:34:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 300 transitions. [2019-12-07 16:34:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-07 16:34:23,756 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:23,756 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 16:34:24,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:34:24,159 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:24,160 INFO L82 PathProgramCache]: Analyzing trace with hash -964613709, now seen corresponding path program 1 times [2019-12-07 16:34:24,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:24,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683213297] [2019-12-07 16:34:24,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:24,303 INFO L264 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 16:34:24,305 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:34:24,316 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:34:24,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683213297] [2019-12-07 16:34:24,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [384900638] [2019-12-07 16:34:24,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:34:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:24,433 INFO L264 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:34:24,434 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 16:34:24,458 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:24,461 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 16:34:24,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:34:24,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 16:34:24,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122873026] [2019-12-07 16:34:24,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:34:24,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:24,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:34:24,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:34:24,462 INFO L87 Difference]: Start difference. First operand 216 states and 300 transitions. Second operand 5 states. [2019-12-07 16:34:24,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:24,547 INFO L93 Difference]: Finished difference Result 655 states and 902 transitions. [2019-12-07 16:34:24,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:34:24,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-12-07 16:34:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:24,549 INFO L225 Difference]: With dead ends: 655 [2019-12-07 16:34:24,549 INFO L226 Difference]: Without dead ends: 445 [2019-12-07 16:34:24,550 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:34:24,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-12-07 16:34:24,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 231. [2019-12-07 16:34:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-12-07 16:34:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 315 transitions. [2019-12-07 16:34:24,565 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 315 transitions. Word has length 48 [2019-12-07 16:34:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:24,565 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 315 transitions. [2019-12-07 16:34:24,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:34:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 315 transitions. [2019-12-07 16:34:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-07 16:34:24,567 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:24,567 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 16:34:24,967 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:34:24,968 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:24,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:24,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1357640719, now seen corresponding path program 1 times [2019-12-07 16:34:24,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:24,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322027686] [2019-12-07 16:34:24,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:25,076 INFO L264 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 16:34:25,077 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:34:25,087 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:34:25,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322027686] [2019-12-07 16:34:25,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1306122019] [2019-12-07 16:34:25,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:34:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:25,201 INFO L264 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:34:25,202 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 16:34:25,227 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 16:34:25,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:34:25,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [3, 3] total 11 [2019-12-07 16:34:25,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251283495] [2019-12-07 16:34:25,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 16:34:25,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:25,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 16:34:25,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:34:25,248 INFO L87 Difference]: Start difference. First operand 231 states and 315 transitions. Second operand 7 states. [2019-12-07 16:34:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:25,333 INFO L93 Difference]: Finished difference Result 612 states and 833 transitions. [2019-12-07 16:34:25,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:34:25,334 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2019-12-07 16:34:25,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:25,335 INFO L225 Difference]: With dead ends: 612 [2019-12-07 16:34:25,336 INFO L226 Difference]: Without dead ends: 387 [2019-12-07 16:34:25,336 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2019-12-07 16:34:25,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-12-07 16:34:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 209. [2019-12-07 16:34:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-12-07 16:34:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2019-12-07 16:34:25,350 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 48 [2019-12-07 16:34:25,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:25,350 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2019-12-07 16:34:25,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 16:34:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2019-12-07 16:34:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 16:34:25,351 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:25,352 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:34:25,752 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 mathsat -unsat_core_generation=3 [2019-12-07 16:34:25,753 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:25,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:25,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1573662553, now seen corresponding path program 1 times [2019-12-07 16:34:25,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:25,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040794054] [2019-12-07 16:34:25,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/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 16:34:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:25,883 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:34:25,885 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:34:25,906 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:25,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:34:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:34:25,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040794054] [2019-12-07 16:34:25,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [154981081] [2019-12-07 16:34:25,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 16:34:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:26,032 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 16:34:26,033 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:34:26,076 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:34:26,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352577373] [2019-12-07 16:34:26,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:34:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:26,206 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:34:26,207 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:34:26,215 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:34:26,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 16:34:26,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2019-12-07 16:34:26,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188042784] [2019-12-07 16:34:26,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 16:34:26,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:26,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 16:34:26,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-12-07 16:34:26,221 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand 13 states. [2019-12-07 16:34:28,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:28,005 INFO L93 Difference]: Finished difference Result 2512 states and 3457 transitions. [2019-12-07 16:34:28,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-12-07 16:34:28,005 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2019-12-07 16:34:28,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:28,014 INFO L225 Difference]: With dead ends: 2512 [2019-12-07 16:34:28,014 INFO L226 Difference]: Without dead ends: 2351 [2019-12-07 16:34:28,017 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 293 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2213 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2019-12-07 16:34:28,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2019-12-07 16:34:28,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 351. [2019-12-07 16:34:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-12-07 16:34:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 475 transitions. [2019-12-07 16:34:28,065 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 475 transitions. Word has length 52 [2019-12-07 16:34:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:28,065 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 475 transitions. [2019-12-07 16:34:28,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 16:34:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 475 transitions. [2019-12-07 16:34:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-07 16:34:28,066 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:34:28,066 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 16:34:28,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:34:28,669 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:34:28,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:34:28,670 INFO L82 PathProgramCache]: Analyzing trace with hash 268972534, now seen corresponding path program 1 times [2019-12-07 16:34:28,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:34:28,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72091315] [2019-12-07 16:34:28,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 16:34:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:34:28,785 INFO L264 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:34:28,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:34:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 16:34:28,801 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:34:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 16:34:28,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72091315] [2019-12-07 16:34:28,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:34:28,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:34:28,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819067406] [2019-12-07 16:34:28,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:34:28,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:34:28,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:34:28,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:34:28,820 INFO L87 Difference]: Start difference. First operand 351 states and 475 transitions. Second operand 8 states. [2019-12-07 16:34:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:34:28,866 INFO L93 Difference]: Finished difference Result 628 states and 838 transitions. [2019-12-07 16:34:28,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:34:28,867 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2019-12-07 16:34:28,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:34:28,867 INFO L225 Difference]: With dead ends: 628 [2019-12-07 16:34:28,867 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:34:28,868 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:34:28,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:34:28,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:34:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:34:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:34:28,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-12-07 16:34:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:34:28,869 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:34:28,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:34:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:34:28,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:34:29,070 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 16:34:29,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:34:29,363 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 158 [2019-12-07 16:34:29,578 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 160 [2019-12-07 16:34:29,701 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 157 [2019-12-07 16:34:29,813 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 157 [2019-12-07 16:34:30,027 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 162 [2019-12-07 16:34:31,186 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2019-12-07 16:34:31,750 WARN L192 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2019-12-07 16:34:33,092 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2019-12-07 16:34:34,584 WARN L192 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 152 DAG size of output: 35 [2019-12-07 16:34:36,041 WARN L192 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 152 DAG size of output: 35 [2019-12-07 16:34:36,290 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-12-07 16:34:36,662 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 24 [2019-12-07 16:34:37,657 WARN L192 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 30 [2019-12-07 16:34:38,062 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2019-12-07 16:34:38,553 WARN L192 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 36 [2019-12-07 16:34:38,557 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-12-07 16:34:38,557 INFO L246 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2019-12-07 16:34:38,557 INFO L242 CegarLoopResult]: At program point L400-1(lines 400 406) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse7 .cse0 .cse5 .cse2 .cse3))) [2019-12-07 16:34:38,557 INFO L246 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-12-07 16:34:38,557 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-12-07 16:34:38,557 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-12-07 16:34:38,557 INFO L246 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3))) [2019-12-07 16:34:38,558 INFO L246 CegarLoopResult]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-12-07 16:34:38,558 INFO L246 CegarLoopResult]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-12-07 16:34:38,558 INFO L246 CegarLoopResult]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-12-07 16:34:38,558 INFO L246 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2019-12-07 16:34:38,558 INFO L246 CegarLoopResult]: For program point L830-1(lines 166 172) no Hoare annotation was computed. [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3))) [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2019-12-07 16:34:38,558 INFO L246 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2019-12-07 16:34:38,558 INFO L242 CegarLoopResult]: At program point L966-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse6 .cse3 .cse5 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse7 .cse1 .cse6 .cse3 .cse5) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5))) [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point L966-2(lines 966 979) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L242 CegarLoopResult]: At program point L966-3(lines 1 982) the Hoare annotation is: false [2019-12-07 16:34:38,559 INFO L249 CegarLoopResult]: At program point L900-1(lines 900 907) the Hoare annotation is: true [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point L966-4(lines 966 979) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L242 CegarLoopResult]: At program point L966-5(lines 1 982) the Hoare annotation is: false [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L242 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: false [2019-12-07 16:34:38,559 INFO L242 CegarLoopResult]: At program point L936(lines 1 982) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 976) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L246 CegarLoopResult]: For program point L970-4(lines 970 976) no Hoare annotation was computed. [2019-12-07 16:34:38,559 INFO L242 CegarLoopResult]: At program point L277(lines 272 280) the Hoare annotation is: false [2019-12-07 16:34:38,559 INFO L242 CegarLoopResult]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2019-12-07 16:34:38,559 INFO L242 CegarLoopResult]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2019-12-07 16:34:38,560 INFO L242 CegarLoopResult]: At program point L410-1(lines 410 416) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse7 .cse0 .cse5 .cse2 .cse3))) [2019-12-07 16:34:38,560 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:34:38,560 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-12-07 16:34:38,560 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point L345-3(lines 345 349) no Hoare annotation was computed. [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point L345-5(lines 345 349) no Hoare annotation was computed. [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point L345-6(lines 345 349) no Hoare annotation was computed. [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point L345-8(lines 345 349) no Hoare annotation was computed. [2019-12-07 16:34:38,560 INFO L242 CegarLoopResult]: At program point L874(lines 870 876) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:34:38,560 INFO L249 CegarLoopResult]: At program point L909(lines 890 912) the Hoare annotation is: true [2019-12-07 16:34:38,560 INFO L242 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:34:38,560 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L242 CegarLoopResult]: At program point L351(lines 336 354) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) [2019-12-07 16:34:38,561 INFO L242 CegarLoopResult]: At program point L351-1(lines 336 354) the Hoare annotation is: false [2019-12-07 16:34:38,561 INFO L242 CegarLoopResult]: At program point L351-2(lines 336 354) the Hoare annotation is: false [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse2 .cse3 .cse4))) [2019-12-07 16:34:38,561 INFO L242 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-12-07 16:34:38,561 INFO L242 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:34:38,561 INFO L246 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L953-2(line 953) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L242 CegarLoopResult]: At program point L359-1(lines 359 365) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2))) [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-12-07 16:34:38,562 INFO L246 CegarLoopResult]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L242 CegarLoopResult]: At program point L428-1(lines 166 172) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse3))) [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2019-12-07 16:34:38,563 INFO L246 CegarLoopResult]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: false [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse2) (and .cse0 .cse3 .cse1 .cse2))) [2019-12-07 16:34:38,564 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2019-12-07 16:34:38,564 INFO L246 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L332(lines 317 335) the Hoare annotation is: false [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse3 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3))) [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2019-12-07 16:34:38,564 INFO L242 CegarLoopResult]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2019-12-07 16:34:38,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:34:38 BoogieIcfgContainer [2019-12-07 16:34:38,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:34:38,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:34:38,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:34:38,584 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:34:38,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:34:20" (3/4) ... [2019-12-07 16:34:38,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:34:38,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:34:38,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:34:38,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:34:38,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:34:38,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:34:38,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:34:38,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:34:38,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 16:34:38,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 16:34:38,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && !(tmp == 0bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && !(tmp == 0bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 [2019-12-07 16:34:38,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) [2019-12-07 16:34:38,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 16:34:38,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63288c4d-8782-4897-8d06-519923e6bd2e/bin/utaipan/witness.graphml [2019-12-07 16:34:38,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:34:38,661 INFO L168 Benchmark]: Toolchain (without parser) took 18914.82 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 415.8 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -249.9 MB). Peak memory consumption was 165.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:38,662 INFO L168 Benchmark]: CDTParser took 0.13 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 16:34:38,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:38,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:38,662 INFO L168 Benchmark]: Boogie Preprocessor took 32.27 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 16:34:38,662 INFO L168 Benchmark]: RCFGBuilder took 583.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:38,663 INFO L168 Benchmark]: TraceAbstraction took 17793.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.2 MB). Peak memory consumption was 432.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:38,663 INFO L168 Benchmark]: Witness Printer took 76.90 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:34:38,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 378.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.27 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 583.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17793.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.2 MB). Peak memory consumption was 432.5 MB. Max. memory is 11.5 GB. * Witness Printer took 76.90 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && !(tmp == 0bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && !(tmp == 0bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, HoareTripleCheckerStatistics: 1212 SDtfs, 3829 SDslu, 4043 SDs, 0 SdLazy, 852 SolverSat, 170 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1277 GetRequests, 1140 SyntacticMatches, 2 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2274 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=351occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 3062 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 159 NumberOfFragments, 757 HoareAnnotationTreeSize, 44 FomulaSimplifications, 709233 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 210833 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 127361 SizeOfPredicates, 37 NumberOfNonLiveVariables, 3123 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 276/354 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...