./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.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_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ...................................................................................................................................... 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_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:54:39,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:54:39,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:54:39,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:54:39,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:54:39,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:54:39,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:54:39,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:54:39,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:54:39,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:54:39,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:54:39,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:54:39,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:54:39,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:54:39,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:54:39,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:54:39,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:54:39,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:54:39,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:54:39,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:54:39,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:54:39,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:54:39,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:54:39,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:54:39,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:54:39,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:54:39,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:54:39,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:54:39,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:54:39,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:54:39,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:54:39,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:54:39,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:54:39,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:54:39,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:54:39,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:54:39,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:54:39,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:54:39,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:54:39,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:54:39,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:54:39,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:54:39,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:54:39,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:54:39,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:54:39,950 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:54:39,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:54:39,950 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:54:39,950 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:54:39,950 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:54:39,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:54:39,950 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:54:39,950 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:54:39,951 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:54:39,951 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:54:39,951 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:54:39,951 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:54:39,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:54:39,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:54:39,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:54:39,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:54:39,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:54:39,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:54:39,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:54:39,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:54:39,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:54:39,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:54:39,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:54:39,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:54:39,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:54:39,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:54:39,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:54:39,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:54:39,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:54:39,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:54:39,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:54:39,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:54:39,955 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:54:39,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:54:39,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:54:39,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:54:39,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:54:39,956 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_737b6b70-0e57-4d51-9a20-7d4792027041/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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2019-12-07 15:54:40,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:54:40,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:54:40,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:54:40,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:54:40,065 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:54:40,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-12-07 15:54:40,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/6caa785d8/6102d1e4d36e499ab76fc7ac440e4f47/FLAG8e51e4a35 [2019-12-07 15:54:40,515 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:54:40,515 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-12-07 15:54:40,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/6caa785d8/6102d1e4d36e499ab76fc7ac440e4f47/FLAG8e51e4a35 [2019-12-07 15:54:40,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/6caa785d8/6102d1e4d36e499ab76fc7ac440e4f47 [2019-12-07 15:54:40,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:54:40,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:54:40,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:54:40,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:54:40,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:54:40,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:54:40" (1/1) ... [2019-12-07 15:54:40,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b2671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:40, skipping insertion in model container [2019-12-07 15:54:40,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:54:40" (1/1) ... [2019-12-07 15:54:40,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:54:40,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:54:40,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:54:40,805 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 15:54:40,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e7e63ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:40, skipping insertion in model container [2019-12-07 15:54:40,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:54:40,805 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 15:54:40,807 INFO L168 Benchmark]: Toolchain (without parser) took 265.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:40,808 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:54:40,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:54:40,809 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 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 650]: 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 15:54:41,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:54:41,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:54:41,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:54:41,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:54:41,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:54:41,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:54:41,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:54:41,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:54:41,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:54:41,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:54:41,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:54:41,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:54:41,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:54:41,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:54:41,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:54:41,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:54:41,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:54:41,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:54:41,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:54:41,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:54:41,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:54:41,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:54:41,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:54:41,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:54:41,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:54:41,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:54:41,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:54:41,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:54:41,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:54:41,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:54:41,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:54:41,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:54:41,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:54:41,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:54:41,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:54:41,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:54:41,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:54:41,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:54:41,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:54:41,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:54:41,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:54:41,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:54:41,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:54:41,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:54:41,957 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:54:41,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:54:41,957 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:54:41,957 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:54:41,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:54:41,958 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:54:41,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:54:41,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:54:41,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:54:41,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:54:41,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:54:41,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:54:41,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:54:41,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:54:41,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:54:41,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:54:41,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:54:41,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:54:41,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:54:41,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:54:41,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:54:41,961 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:54:41,961 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:54:41,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:54:41,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:54:41,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:54:41,961 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_737b6b70-0e57-4d51-9a20-7d4792027041/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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2019-12-07 15:54:42,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:54:42,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:54:42,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:54:42,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:54:42,138 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:54:42,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-12-07 15:54:42,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/f7e9d201c/9f0b083e9cee452b97ba0b22a10dc153/FLAG8fac2acba [2019-12-07 15:54:42,532 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:54:42,532 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-12-07 15:54:42,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/f7e9d201c/9f0b083e9cee452b97ba0b22a10dc153/FLAG8fac2acba [2019-12-07 15:54:42,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/data/f7e9d201c/9f0b083e9cee452b97ba0b22a10dc153 [2019-12-07 15:54:42,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:54:42,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:54:42,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:54:42,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:54:42,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:54:42,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:42,560 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 03:54:42, skipping insertion in model container [2019-12-07 15:54:42,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:42,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:54:42,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:54:42,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:54:42,816 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:54:42,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:54:42,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:54:42,869 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:54:42,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:54:42,932 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:54:42,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42 WrapperNode [2019-12-07 15:54:42,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:54:42,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:54:42,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:54:42,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:54:42,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:42,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:42,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:54:42,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:54:42,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:54:42,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:54:42,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:42,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:42,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:42,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:43,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:43,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:43,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... [2019-12-07 15:54:43,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:54:43,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:54:43,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:54:43,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:54:43,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:54:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 15:54:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:54:43,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:54:43,622 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:54:43,623 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 15:54:43,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:54:43 BoogieIcfgContainer [2019-12-07 15:54:43,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:54:43,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:54:43,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:54:43,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:54:43,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:54:42" (1/3) ... [2019-12-07 15:54:43,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa16071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:54:43, skipping insertion in model container [2019-12-07 15:54:43,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:54:42" (2/3) ... [2019-12-07 15:54:43,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa16071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:54:43, skipping insertion in model container [2019-12-07 15:54:43,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:54:43" (3/3) ... [2019-12-07 15:54:43,631 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-12-07 15:54:43,637 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:54:43,643 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:54:43,650 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:54:43,666 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:54:43,667 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:54:43,667 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:54:43,667 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:54:43,667 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:54:43,667 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:54:43,667 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:54:43,667 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:54:43,681 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-12-07 15:54:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:54:43,686 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:43,687 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:43,688 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:43,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:43,692 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2019-12-07 15:54:43,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:43,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220547090] [2019-12-07 15:54:43,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:43,832 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:54:43,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:43,847 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 15:54:43,847 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:43,852 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 15:54:43,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220547090] [2019-12-07 15:54:43,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:43,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:54:43,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533056323] [2019-12-07 15:54:43,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:54:43,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:43,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:54:43,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:54:43,867 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-12-07 15:54:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:43,894 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2019-12-07 15:54:43,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:54:43,895 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 15:54:43,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:43,905 INFO L225 Difference]: With dead ends: 239 [2019-12-07 15:54:43,905 INFO L226 Difference]: Without dead ends: 119 [2019-12-07 15:54:43,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:54:43,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-12-07 15:54:43,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-12-07 15:54:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 15:54:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2019-12-07 15:54:43,938 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2019-12-07 15:54:43,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:43,938 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2019-12-07 15:54:43,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:54:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2019-12-07 15:54:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:54:43,939 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:43,940 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:44,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:54:44,141 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:44,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:44,141 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2019-12-07 15:54:44,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:44,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205467680] [2019-12-07 15:54:44,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:44,326 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:54:44,327 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:54:44,340 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:44,348 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 15:54:44,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205467680] [2019-12-07 15:54:44,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:44,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:54:44,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094692780] [2019-12-07 15:54:44,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:54:44,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:44,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:54:44,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:54:44,351 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 4 states. [2019-12-07 15:54:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:44,365 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2019-12-07 15:54:44,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:54:44,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 15:54:44,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:44,366 INFO L225 Difference]: With dead ends: 119 [2019-12-07 15:54:44,367 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 15:54:44,368 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:54:44,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 15:54:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 15:54:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 15:54:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-12-07 15:54:44,374 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2019-12-07 15:54:44,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:44,375 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-12-07 15:54:44,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:54:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-12-07 15:54:44,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:54:44,376 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:44,376 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 15:54:44,576 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:54:44,577 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:44,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:44,577 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2019-12-07 15:54:44,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:44,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875530234] [2019-12-07 15:54:44,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:44,682 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:54:44,683 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:44,691 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 15:54:44,691 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:44,698 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 15:54:44,698 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875530234] [2019-12-07 15:54:44,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:44,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:54:44,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174655156] [2019-12-07 15:54:44,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:54:44,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:44,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:54:44,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:54:44,699 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 4 states. [2019-12-07 15:54:44,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:44,716 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2019-12-07 15:54:44,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:54:44,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 15:54:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:44,718 INFO L225 Difference]: With dead ends: 163 [2019-12-07 15:54:44,718 INFO L226 Difference]: Without dead ends: 119 [2019-12-07 15:54:44,719 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:54:44,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-12-07 15:54:44,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2019-12-07 15:54:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 15:54:44,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-12-07 15:54:44,728 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2019-12-07 15:54:44,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:44,728 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-12-07 15:54:44,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:54:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-12-07 15:54:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:54:44,729 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:44,729 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:44,929 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:54:44,930 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:44,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:44,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2019-12-07 15:54:44,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:44,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601512341] [2019-12-07 15:54:44,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:45,053 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:54:45,055 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:45,062 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 15:54:45,062 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:45,065 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 15:54:45,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601512341] [2019-12-07 15:54:45,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:45,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 15:54:45,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744382767] [2019-12-07 15:54:45,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:54:45,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:45,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:54:45,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:54:45,067 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2019-12-07 15:54:45,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:45,134 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2019-12-07 15:54:45,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:54:45,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 15:54:45,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:45,136 INFO L225 Difference]: With dead ends: 157 [2019-12-07 15:54:45,136 INFO L226 Difference]: Without dead ends: 93 [2019-12-07 15:54:45,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:54:45,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-12-07 15:54:45,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-12-07 15:54:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-12-07 15:54:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2019-12-07 15:54:45,148 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2019-12-07 15:54:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:45,148 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2019-12-07 15:54:45,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:54:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2019-12-07 15:54:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 15:54:45,149 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:45,150 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:45,350 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:54:45,351 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:45,352 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2019-12-07 15:54:45,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:45,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990981588] [2019-12-07 15:54:45,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:45,513 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:54:45,514 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:45,527 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 15:54:45,527 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:45,534 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 15:54:45,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990981588] [2019-12-07 15:54:45,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:45,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 15:54:45,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344331799] [2019-12-07 15:54:45,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:54:45,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:45,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:54:45,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:54:45,535 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2019-12-07 15:54:45,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:45,603 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2019-12-07 15:54:45,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:54:45,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 15:54:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:45,606 INFO L225 Difference]: With dead ends: 452 [2019-12-07 15:54:45,606 INFO L226 Difference]: Without dead ends: 368 [2019-12-07 15:54:45,607 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:54:45,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-12-07 15:54:45,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2019-12-07 15:54:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-12-07 15:54:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2019-12-07 15:54:45,624 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2019-12-07 15:54:45,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:45,625 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2019-12-07 15:54:45,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:54:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2019-12-07 15:54:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 15:54:45,626 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:45,626 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:45,826 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:54:45,827 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:45,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:45,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2019-12-07 15:54:45,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:45,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278566142] [2019-12-07 15:54:45,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:45,998 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:54:45,999 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:46,012 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 15:54:46,012 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:46,015 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 15:54:46,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278566142] [2019-12-07 15:54:46,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:46,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:54:46,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409961143] [2019-12-07 15:54:46,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:54:46,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:46,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:54:46,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:54:46,017 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2019-12-07 15:54:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:46,179 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2019-12-07 15:54:46,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:54:46,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 15:54:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:46,182 INFO L225 Difference]: With dead ends: 605 [2019-12-07 15:54:46,182 INFO L226 Difference]: Without dead ends: 448 [2019-12-07 15:54:46,183 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:54:46,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-12-07 15:54:46,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2019-12-07 15:54:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-12-07 15:54:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2019-12-07 15:54:46,199 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2019-12-07 15:54:46,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:46,199 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2019-12-07 15:54:46,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:54:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2019-12-07 15:54:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:54:46,200 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:46,201 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:46,401 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 15:54:46,402 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:46,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:46,402 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2019-12-07 15:54:46,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:46,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335989309] [2019-12-07 15:54:46,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 15:54:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:46,564 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:54:46,565 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:46,578 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 15:54:46,578 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:46,580 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 15:54:46,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335989309] [2019-12-07 15:54:46,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:46,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:54:46,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642820036] [2019-12-07 15:54:46,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:54:46,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:46,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:54:46,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:54:46,582 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2019-12-07 15:54:46,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:46,633 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2019-12-07 15:54:46,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:54:46,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 15:54:46,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:46,635 INFO L225 Difference]: With dead ends: 479 [2019-12-07 15:54:46,635 INFO L226 Difference]: Without dead ends: 324 [2019-12-07 15:54:46,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 15:54:46,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-12-07 15:54:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2019-12-07 15:54:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-12-07 15:54:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2019-12-07 15:54:46,646 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2019-12-07 15:54:46,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:46,647 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2019-12-07 15:54:46,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:54:46,647 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2019-12-07 15:54:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:54:46,647 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:46,648 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:46,848 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 15:54:46,849 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:46,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:46,849 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2019-12-07 15:54:46,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:46,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404203307] [2019-12-07 15:54:46,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:46,975 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:54:46,976 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:46,984 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 15:54:46,984 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:46,994 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 15:54:46,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404203307] [2019-12-07 15:54:46,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:46,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 15:54:46,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014868059] [2019-12-07 15:54:46,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:54:46,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:46,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:54:46,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:54:46,995 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2019-12-07 15:54:47,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:47,052 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2019-12-07 15:54:47,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:54:47,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 15:54:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:47,054 INFO L225 Difference]: With dead ends: 513 [2019-12-07 15:54:47,054 INFO L226 Difference]: Without dead ends: 346 [2019-12-07 15:54:47,054 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 15:54:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-12-07 15:54:47,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2019-12-07 15:54:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-12-07 15:54:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2019-12-07 15:54:47,068 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2019-12-07 15:54:47,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:47,069 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2019-12-07 15:54:47,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:54:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2019-12-07 15:54:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:54:47,069 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:47,069 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:47,270 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 15:54:47,270 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:47,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:47,271 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2019-12-07 15:54:47,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:47,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516713697] [2019-12-07 15:54:47,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 15:54:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:47,384 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:54:47,385 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:47,391 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 15:54:47,391 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:47,397 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 15:54:47,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516713697] [2019-12-07 15:54:47,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:47,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:54:47,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839247404] [2019-12-07 15:54:47,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:54:47,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:47,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:54:47,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:54:47,399 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 4 states. [2019-12-07 15:54:47,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:47,458 INFO L93 Difference]: Finished difference Result 592 states and 807 transitions. [2019-12-07 15:54:47,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:54:47,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 15:54:47,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:47,460 INFO L225 Difference]: With dead ends: 592 [2019-12-07 15:54:47,460 INFO L226 Difference]: Without dead ends: 417 [2019-12-07 15:54:47,461 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 15:54:47,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-12-07 15:54:47,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 327. [2019-12-07 15:54:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-12-07 15:54:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 440 transitions. [2019-12-07 15:54:47,480 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 440 transitions. Word has length 33 [2019-12-07 15:54:47,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:47,480 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 440 transitions. [2019-12-07 15:54:47,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:54:47,480 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 440 transitions. [2019-12-07 15:54:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 15:54:47,481 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:47,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:47,681 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 15:54:47,681 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:47,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:47,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2019-12-07 15:54:47,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:47,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160258759] [2019-12-07 15:54:47,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:47,773 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:54:47,774 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:47,780 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 15:54:47,780 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:47,782 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 15:54:47,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160258759] [2019-12-07 15:54:47,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:47,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 15:54:47,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119614820] [2019-12-07 15:54:47,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:54:47,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:47,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:54:47,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:54:47,783 INFO L87 Difference]: Start difference. First operand 327 states and 440 transitions. Second operand 3 states. [2019-12-07 15:54:47,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:47,842 INFO L93 Difference]: Finished difference Result 535 states and 716 transitions. [2019-12-07 15:54:47,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:54:47,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 15:54:47,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:47,845 INFO L225 Difference]: With dead ends: 535 [2019-12-07 15:54:47,845 INFO L226 Difference]: Without dead ends: 533 [2019-12-07 15:54:47,845 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 15:54:47,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-12-07 15:54:47,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 400. [2019-12-07 15:54:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2019-12-07 15:54:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 548 transitions. [2019-12-07 15:54:47,866 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 548 transitions. Word has length 34 [2019-12-07 15:54:47,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:47,866 INFO L462 AbstractCegarLoop]: Abstraction has 400 states and 548 transitions. [2019-12-07 15:54:47,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:54:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 548 transitions. [2019-12-07 15:54:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 15:54:47,867 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:47,867 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:48,068 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 15:54:48,068 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:48,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:48,068 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2019-12-07 15:54:48,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:48,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783226995] [2019-12-07 15:54:48,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 15:54:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:48,174 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:54:48,175 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:54:48,199 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:48,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:54:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:54:48,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783226995] [2019-12-07 15:54:48,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [919286057] [2019-12-07 15:54:48,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 15:54:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:48,434 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 15:54:48,436 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:54:48,446 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:48,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:54:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:54:48,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225950870] [2019-12-07 15:54:48,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:54:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:48,602 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:54:48,603 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:54:48,611 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:48,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:54:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:54:48,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 15:54:48,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2019-12-07 15:54:48,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384165213] [2019-12-07 15:54:48,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:54:48,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:48,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:54:48,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:54:48,622 INFO L87 Difference]: Start difference. First operand 400 states and 548 transitions. Second operand 8 states. [2019-12-07 15:54:49,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:49,324 INFO L93 Difference]: Finished difference Result 4312 states and 5893 transitions. [2019-12-07 15:54:49,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-07 15:54:49,325 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-12-07 15:54:49,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:49,339 INFO L225 Difference]: With dead ends: 4312 [2019-12-07 15:54:49,339 INFO L226 Difference]: Without dead ends: 3919 [2019-12-07 15:54:49,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-12-07 15:54:49,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3919 states. [2019-12-07 15:54:49,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3919 to 1175. [2019-12-07 15:54:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1175 states. [2019-12-07 15:54:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1636 transitions. [2019-12-07 15:54:49,418 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1636 transitions. Word has length 58 [2019-12-07 15:54:49,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:49,418 INFO L462 AbstractCegarLoop]: Abstraction has 1175 states and 1636 transitions. [2019-12-07 15:54:49,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:54:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1636 transitions. [2019-12-07 15:54:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 15:54:49,419 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:49,419 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:50,020 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2019-12-07 15:54:50,022 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:50,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:50,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2019-12-07 15:54:50,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:50,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745721993] [2019-12-07 15:54:50,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 15:54:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:50,127 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:54:50,128 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 15:54:50,141 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 15:54:50,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745721993] [2019-12-07 15:54:50,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:50,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 15:54:50,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891499680] [2019-12-07 15:54:50,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:54:50,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:50,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:54:50,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:54:50,163 INFO L87 Difference]: Start difference. First operand 1175 states and 1636 transitions. Second operand 8 states. [2019-12-07 15:54:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:50,238 INFO L93 Difference]: Finished difference Result 1834 states and 2495 transitions. [2019-12-07 15:54:50,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:54:50,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-12-07 15:54:50,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:50,241 INFO L225 Difference]: With dead ends: 1834 [2019-12-07 15:54:50,241 INFO L226 Difference]: Without dead ends: 666 [2019-12-07 15:54:50,242 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:54:50,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2019-12-07 15:54:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 273. [2019-12-07 15:54:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-12-07 15:54:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 350 transitions. [2019-12-07 15:54:50,264 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 350 transitions. Word has length 58 [2019-12-07 15:54:50,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:50,264 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 350 transitions. [2019-12-07 15:54:50,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:54:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 350 transitions. [2019-12-07 15:54:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 15:54:50,265 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:50,265 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:50,465 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 15:54:50,466 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:50,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:50,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2019-12-07 15:54:50,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:50,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051998347] [2019-12-07 15:54:50,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/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 15:54:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:50,604 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:54:50,605 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:54:50,610 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:54:50,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051998347] [2019-12-07 15:54:50,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:50,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:54:50,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546180250] [2019-12-07 15:54:50,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:54:50,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:50,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:54:50,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:54:50,618 INFO L87 Difference]: Start difference. First operand 273 states and 350 transitions. Second operand 4 states. [2019-12-07 15:54:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:50,802 INFO L93 Difference]: Finished difference Result 538 states and 692 transitions. [2019-12-07 15:54:50,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:54:50,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-12-07 15:54:50,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:50,804 INFO L225 Difference]: With dead ends: 538 [2019-12-07 15:54:50,804 INFO L226 Difference]: Without dead ends: 272 [2019-12-07 15:54:50,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 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 15:54:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-12-07 15:54:50,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 271. [2019-12-07 15:54:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-12-07 15:54:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 340 transitions. [2019-12-07 15:54:50,834 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 340 transitions. Word has length 58 [2019-12-07 15:54:50,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:50,835 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 340 transitions. [2019-12-07 15:54:50,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:54:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 340 transitions. [2019-12-07 15:54:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 15:54:50,836 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:54:50,836 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:54:51,036 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 15:54:51,037 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:54:51,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:54:51,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2019-12-07 15:54:51,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:54:51,038 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379374054] [2019-12-07 15:54:51,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-12-07 15:54:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:54:51,202 INFO L264 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:54:51,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:54:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 15:54:51,208 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:54:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 15:54:51,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379374054] [2019-12-07 15:54:51,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:54:51,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 15:54:51,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461351178] [2019-12-07 15:54:51,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:54:51,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:54:51,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:54:51,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:54:51,211 INFO L87 Difference]: Start difference. First operand 271 states and 340 transitions. Second operand 3 states. [2019-12-07 15:54:51,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:54:51,339 INFO L93 Difference]: Finished difference Result 527 states and 661 transitions. [2019-12-07 15:54:51,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:54:51,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-12-07 15:54:51,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:54:51,340 INFO L225 Difference]: With dead ends: 527 [2019-12-07 15:54:51,340 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:54:51,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 15:54:51,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:54:51,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:54:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:54:51,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:54:51,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-12-07 15:54:51,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:54:51,341 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:54:51,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:54:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:54:51,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:54:51,542 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-12-07 15:54:51,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:54:51,868 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 208 [2019-12-07 15:54:51,996 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 174 [2019-12-07 15:54:52,128 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 172 [2019-12-07 15:54:52,316 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 213 [2019-12-07 15:54:52,649 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-12-07 15:54:52,782 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 193 [2019-12-07 15:54:54,530 WARN L192 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 207 DAG size of output: 30 [2019-12-07 15:54:54,654 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 18 [2019-12-07 15:54:55,919 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 173 DAG size of output: 25 [2019-12-07 15:54:56,291 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2019-12-07 15:54:57,398 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2019-12-07 15:54:59,085 WARN L192 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 211 DAG size of output: 33 [2019-12-07 15:54:59,226 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-12-07 15:54:59,691 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 27 [2019-12-07 15:55:00,254 WARN L192 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2019-12-07 15:55:00,832 WARN L192 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 15 [2019-12-07 15:55:02,546 WARN L192 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 203 DAG size of output: 30 [2019-12-07 15:55:04,078 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 192 DAG size of output: 25 [2019-12-07 15:55:05,237 WARN L192 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 177 DAG size of output: 32 [2019-12-07 15:55:05,249 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-12-07 15:55:05,249 INFO L246 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-12-07 15:55:05,250 INFO L246 CegarLoopResult]: For program point L531-1(lines 129 135) no Hoare annotation was computed. [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L399(lines 1 986) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3) (and .cse4 .cse2 .cse3))) [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L136-1(lines 136 142) the Hoare annotation is: false [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L136-2(lines 136 142) the Hoare annotation is: false [2019-12-07 15:55:05,250 INFO L246 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-12-07 15:55:05,250 INFO L249 CegarLoopResult]: At program point L599-1(lines 599 606) the Hoare annotation is: true [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L501(lines 492 505) the Hoare annotation is: false [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L501-1(lines 492 505) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3))) [2019-12-07 15:55:05,250 INFO L242 CegarLoopResult]: At program point L501-2(lines 492 505) the Hoare annotation is: false [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L501-3(lines 492 505) the Hoare annotation is: false [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L501-4(lines 492 505) the Hoare annotation is: false [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L501-5(lines 492 505) the Hoare annotation is: false [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L240(lines 235 243) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3))) [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L240-1(lines 235 243) the Hoare annotation is: false [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L240-2(lines 235 243) the Hoare annotation is: false [2019-12-07 15:55:05,251 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2019-12-07 15:55:05,251 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:55:05,251 INFO L242 CegarLoopResult]: At program point L341(lines 336 343) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:55:05,251 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-12-07 15:55:05,251 INFO L246 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-12-07 15:55:05,251 INFO L246 CegarLoopResult]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2019-12-07 15:55:05,251 INFO L246 CegarLoopResult]: For program point L308-5(lines 308 312) no Hoare annotation was computed. [2019-12-07 15:55:05,252 INFO L246 CegarLoopResult]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2019-12-07 15:55:05,252 INFO L246 CegarLoopResult]: For program point L308-8(lines 308 312) no Hoare annotation was computed. [2019-12-07 15:55:05,252 INFO L249 CegarLoopResult]: At program point L608(lines 589 611) the Hoare annotation is: true [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L575(lines 571 577) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:55:05,252 INFO L246 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L314(lines 299 317) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L314-1(lines 299 317) the Hoare annotation is: false [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L314-2(lines 299 317) the Hoare annotation is: false [2019-12-07 15:55:05,252 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 15:55:05,252 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:55:05,252 INFO L246 CegarLoopResult]: For program point L352(lines 352 369) no Hoare annotation was computed. [2019-12-07 15:55:05,252 INFO L242 CegarLoopResult]: At program point L352-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L242 CegarLoopResult]: At program point L352-3(lines 1 986) the Hoare annotation is: false [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L352-4(lines 352 369) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L242 CegarLoopResult]: At program point L352-5(lines 1 986) the Hoare annotation is: false [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L617-2(line 617) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-12-07 15:55:05,253 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L242 CegarLoopResult]: At program point L322-1(lines 322 328) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1))) [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289-5(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L242 CegarLoopResult]: At program point L91-1(lines 129 135) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not .cse5)) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse3 .cse6 .cse4) (and .cse1 .cse6 .cse5 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse6 .cse4)))) [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289-8(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289-9(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,254 INFO L246 CegarLoopResult]: For program point L289-11(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L289-12(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L289-14(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L289-15(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L289-17(lines 289 293) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L356(lines 356 366) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L356-2(lines 356 366) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L356-4(lines 356 366) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-12-07 15:55:05,255 INFO L242 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3) (and .cse4 .cse2 .cse3))) [2019-12-07 15:55:05,255 INFO L242 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2019-12-07 15:55:05,255 INFO L242 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-12-07 15:55:05,255 INFO L246 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L242 CegarLoopResult]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (not .cse5)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse1 .cse4 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse1 .cse2 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse3)))) [2019-12-07 15:55:05,256 INFO L246 CegarLoopResult]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-12-07 15:55:05,256 INFO L242 CegarLoopResult]: At program point L129-2(lines 128 147) the Hoare annotation is: false [2019-12-07 15:55:05,256 INFO L242 CegarLoopResult]: At program point L129-3(lines 128 147) the Hoare annotation is: false [2019-12-07 15:55:05,256 INFO L242 CegarLoopResult]: At program point L295(lines 280 298) the Hoare annotation is: false [2019-12-07 15:55:05,257 INFO L242 CegarLoopResult]: At program point L295-1(lines 280 298) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse5 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse6) (and .cse0 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse5 .cse6) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3 .cse4 .cse6))) [2019-12-07 15:55:05,257 INFO L242 CegarLoopResult]: At program point L295-2(lines 280 298) the Hoare annotation is: false [2019-12-07 15:55:05,257 INFO L242 CegarLoopResult]: At program point L295-3(lines 280 298) the Hoare annotation is: false [2019-12-07 15:55:05,257 INFO L242 CegarLoopResult]: At program point L295-4(lines 280 298) the Hoare annotation is: false [2019-12-07 15:55:05,257 INFO L242 CegarLoopResult]: At program point L295-5(lines 280 298) the Hoare annotation is: false [2019-12-07 15:55:05,257 INFO L242 CegarLoopResult]: At program point L527-2(lines 527 541) the Hoare annotation is: false [2019-12-07 15:55:05,257 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 15:55:05,257 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2019-12-07 15:55:05,257 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:55:05,257 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-12-07 15:55:05,257 INFO L246 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2019-12-07 15:55:05,257 INFO L246 CegarLoopResult]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-12-07 15:55:05,257 INFO L246 CegarLoopResult]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-12-07 15:55:05,257 INFO L246 CegarLoopResult]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L496-3(lines 496 502) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L496-5(lines 496 502) no Hoare annotation was computed. [2019-12-07 15:55:05,258 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 15:55:05,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:55:05 BoogieIcfgContainer [2019-12-07 15:55:05,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:55:05,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:55:05,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:55:05,280 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:55:05,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:54:43" (3/4) ... [2019-12-07 15:55:05,283 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:55:05,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:55:05,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:55:05,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:55:05,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:55:05,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:55:05,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:55:05,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:55:05,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && waterLevel == 2bv32) && splverifierCounter == 0bv32) [2019-12-07 15:55:05,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 [2019-12-07 15:55:05,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 15:55:05,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 15:55:05,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 15:55:05,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 15:55:05,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_737b6b70-0e57-4d51-9a20-7d4792027041/bin/utaipan/witness.graphml [2019-12-07 15:55:05,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:55:05,363 INFO L168 Benchmark]: Toolchain (without parser) took 22807.86 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 296.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:05,363 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:55:05,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:05,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:05,364 INFO L168 Benchmark]: Boogie Preprocessor took 33.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:55:05,364 INFO L168 Benchmark]: RCFGBuilder took 609.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 89.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:05,364 INFO L168 Benchmark]: TraceAbstraction took 21654.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 306.2 MB). Free memory was 996.3 MB in the beginning and 1.1 GB in the end (delta: -97.7 MB). Peak memory consumption was 524.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:05,364 INFO L168 Benchmark]: Witness Printer took 81.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:05,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 609.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 89.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21654.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 306.2 MB). Free memory was 996.3 MB in the beginning and 1.1 GB in the end (delta: -97.7 MB). Peak memory consumption was 524.0 MB. Max. memory is 11.5 GB. * Witness Printer took 81.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: 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: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.7s, HoareTripleCheckerStatistics: 1473 SDtfs, 2256 SDslu, 2994 SDs, 0 SdLazy, 407 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1253 GetRequests, 1190 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1175occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 4215 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 150 NumberOfFragments, 768 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1118278 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 45 FomulaSimplificationsInter, 921086 FormulaSimplificationTreeSizeReductionInter, 12.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1220 ConstructedInterpolants, 0 QuantifiedInterpolants, 118827 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3328 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 32 InterpolantComputations, 26 PerfectInterpolantSequences, 196/232 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...