./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ...................................................................................................................................... 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_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:34:21,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:34:21,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:34:21,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:34:21,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:34:21,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:34:21,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:34:21,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:34:21,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:34:21,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:34:21,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:34:21,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:34:21,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:34:21,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:34:21,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:34:21,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:34:21,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:34:21,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:34:21,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:34:21,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:34:21,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:34:21,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:34:21,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:34:21,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:34:21,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:34:21,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:34:21,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:34:21,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:34:21,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:34:21,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:34:21,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:34:21,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:34:21,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:34:21,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:34:21,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:34:21,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:34:21,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:34:21,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:34:21,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:34:21,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:34:21,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:34:21,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:34:21,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:34:21,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:34:21,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:34:21,941 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:34:21,942 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:34:21,942 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:34:21,942 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:34:21,942 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:34:21,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:34:21,942 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:34:21,942 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:34:21,943 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:34:21,943 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:34:21,943 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:34:21,943 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:34:21,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:34:21,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:34:21,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:34:21,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:34:21,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:34:21,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:34:21,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:34:21,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:34:21,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:34:21,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:34:21,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:34:21,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:34:21,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:34:21,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:34:21,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:34:21,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:34:21,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:34:21,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:34:21,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:34:21,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:34:21,946 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:34:21,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:34:21,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:34:21,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:34:21,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:34:21,947 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_436f5b15-6858-4698-b78b-0c27c34da4fe/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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2019-12-07 19:34:22,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:34:22,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:34:22,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:34:22,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:34:22,057 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:34:22,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2019-12-07 19:34:22,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/2e5a010b0/c588d9946af54f9cad6c57e740d82eb8/FLAG4e7de672e [2019-12-07 19:34:22,426 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:34:22,427 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2019-12-07 19:34:22,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/2e5a010b0/c588d9946af54f9cad6c57e740d82eb8/FLAG4e7de672e [2019-12-07 19:34:22,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/2e5a010b0/c588d9946af54f9cad6c57e740d82eb8 [2019-12-07 19:34:22,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:34:22,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:34:22,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:34:22,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:34:22,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:34:22,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:34:22" (1/1) ... [2019-12-07 19:34:22,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed7335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:22, skipping insertion in model container [2019-12-07 19:34:22,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:34:22" (1/1) ... [2019-12-07 19:34:22,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:34:22,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:34:22,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:34:22,733 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 19:34:22,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@379d02a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:22, skipping insertion in model container [2019-12-07 19:34:22,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:34:22,734 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:34:22,736 INFO L168 Benchmark]: Toolchain (without parser) took 289.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:22,736 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:34:22,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:22,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -182.6 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: 192]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 19:34:23,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:34:23,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:34:23,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:34:23,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:34:23,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:34:23,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:34:23,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:34:23,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:34:23,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:34:23,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:34:23,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:34:23,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:34:23,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:34:23,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:34:23,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:34:23,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:34:23,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:34:23,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:34:23,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:34:23,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:34:23,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:34:23,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:34:23,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:34:23,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:34:23,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:34:23,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:34:23,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:34:23,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:34:23,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:34:23,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:34:23,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:34:23,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:34:23,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:34:23,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:34:23,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:34:23,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:34:23,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:34:23,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:34:23,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:34:23,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:34:23,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:34:23,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:34:23,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:34:23,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:34:23,904 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:34:23,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:34:23,905 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:34:23,905 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:34:23,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:34:23,905 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:34:23,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:34:23,906 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:34:23,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:34:23,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:34:23,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:34:23,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:34:23,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:34:23,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:34:23,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:34:23,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:34:23,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:34:23,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:34:23,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:34:23,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:34:23,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:34:23,908 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:34:23,908 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:34:23,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:34:23,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:34:23,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:34:23,909 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_436f5b15-6858-4698-b78b-0c27c34da4fe/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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2019-12-07 19:34:24,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:34:24,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:34:24,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:34:24,086 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:34:24,086 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:34:24,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2019-12-07 19:34:24,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/cef393ef7/c1e825c81e9e4f82ad59c4ae174b04c9/FLAG089fb4ab9 [2019-12-07 19:34:24,592 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:34:24,592 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2019-12-07 19:34:24,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/cef393ef7/c1e825c81e9e4f82ad59c4ae174b04c9/FLAG089fb4ab9 [2019-12-07 19:34:24,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/data/cef393ef7/c1e825c81e9e4f82ad59c4ae174b04c9 [2019-12-07 19:34:24,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:34:24,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:34:24,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:34:24,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:34:24,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:34:24,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:24,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24, skipping insertion in model container [2019-12-07 19:34:24,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:24,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:34:24,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:34:24,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:34:24,891 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:34:24,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:34:24,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:34:24,937 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:34:24,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:34:24,995 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:34:24,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24 WrapperNode [2019-12-07 19:34:24,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:34:24,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:34:24,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:34:24,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:34:25,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:34:25,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:34:25,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:34:25,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:34:25,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... [2019-12-07 19:34:25,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:34:25,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:34:25,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:34:25,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:34:25,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:34:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:34:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:34:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:34:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:34:25,515 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:34:25,515 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 19:34:25,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:34:25 BoogieIcfgContainer [2019-12-07 19:34:25,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:34:25,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:34:25,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:34:25,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:34:25,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:34:24" (1/3) ... [2019-12-07 19:34:25,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6ce6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:34:25, skipping insertion in model container [2019-12-07 19:34:25,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:34:24" (2/3) ... [2019-12-07 19:34:25,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6ce6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:34:25, skipping insertion in model container [2019-12-07 19:34:25,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:34:25" (3/3) ... [2019-12-07 19:34:25,522 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2019-12-07 19:34:25,528 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:34:25,534 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:34:25,541 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:34:25,558 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:34:25,558 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:34:25,558 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:34:25,558 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:34:25,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:34:25,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:34:25,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:34:25,558 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:34:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 19:34:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 19:34:25,573 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:34:25,574 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:34:25,574 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:34:25,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:34:25,578 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-12-07 19:34:25,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:34:25,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484574150] [2019-12-07 19:34:25,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 19:34:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:25,715 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:34:25,719 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:25,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:25,729 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:25,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484574150] [2019-12-07 19:34:25,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:34:25,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:34:25,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181751027] [2019-12-07 19:34:25,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:34:25,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:34:25,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:34:25,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:34:25,749 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-12-07 19:34:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:34:25,767 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-12-07 19:34:25,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:34:25,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 19:34:25,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:34:25,776 INFO L225 Difference]: With dead ends: 132 [2019-12-07 19:34:25,776 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 19:34:25,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:34:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 19:34:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 19:34:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 19:34:25,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-12-07 19:34:25,806 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-12-07 19:34:25,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:34:25,806 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-12-07 19:34:25,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:34:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-12-07 19:34:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 19:34:25,807 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:34:25,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:34:26,008 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:34:26,009 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:34:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:34:26,010 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-12-07 19:34:26,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:34:26,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834815581] [2019-12-07 19:34:26,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 19:34:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:26,199 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:34:26,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:26,217 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:26,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834815581] [2019-12-07 19:34:26,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:34:26,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:34:26,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004040263] [2019-12-07 19:34:26,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:34:26,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:34:26,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:34:26,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:34:26,227 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2019-12-07 19:34:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:34:26,236 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-12-07 19:34:26,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:34:26,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 19:34:26,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:34:26,237 INFO L225 Difference]: With dead ends: 65 [2019-12-07 19:34:26,237 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 19:34:26,238 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:34:26,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 19:34:26,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 19:34:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 19:34:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 19:34:26,242 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-12-07 19:34:26,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:34:26,242 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 19:34:26,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:34:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 19:34:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 19:34:26,243 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:34:26,243 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:34:26,443 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:34:26,444 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:34:26,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:34:26,445 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-12-07 19:34:26,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:34:26,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844824236] [2019-12-07 19:34:26,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 19:34:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:26,651 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:34:26,653 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:26,661 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:26,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844824236] [2019-12-07 19:34:26,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:34:26,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:34:26,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335190631] [2019-12-07 19:34:26,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:34:26,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:34:26,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:34:26,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:34:26,668 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 19:34:26,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:34:26,702 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-12-07 19:34:26,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:34:26,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 19:34:26,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:34:26,703 INFO L225 Difference]: With dead ends: 56 [2019-12-07 19:34:26,703 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 19:34:26,704 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:34:26,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 19:34:26,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 19:34:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 19:34:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 19:34:26,708 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-12-07 19:34:26,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:34:26,708 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 19:34:26,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:34:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 19:34:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 19:34:26,709 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:34:26,709 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] [2019-12-07 19:34:26,909 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:34:26,910 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:34:26,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:34:26,910 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-12-07 19:34:26,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:34:26,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874252605] [2019-12-07 19:34:26,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 19:34:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:27,080 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:34:27,082 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:27,097 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:27,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874252605] [2019-12-07 19:34:27,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:34:27,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 19:34:27,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432071067] [2019-12-07 19:34:27,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:34:27,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:34:27,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:34:27,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:34:27,128 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-12-07 19:34:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:34:27,282 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2019-12-07 19:34:27,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 19:34:27,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 19:34:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:34:27,284 INFO L225 Difference]: With dead ends: 198 [2019-12-07 19:34:27,285 INFO L226 Difference]: Without dead ends: 173 [2019-12-07 19:34:27,285 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 19:34:27,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-12-07 19:34:27,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2019-12-07 19:34:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 19:34:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-12-07 19:34:27,297 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-12-07 19:34:27,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:34:27,297 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-12-07 19:34:27,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:34:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-12-07 19:34:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 19:34:27,299 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:34:27,299 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:34:27,499 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:34:27,500 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:34:27,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:34:27,501 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2019-12-07 19:34:27,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:34:27,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99674103] [2019-12-07 19:34:27,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 19:34:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:27,645 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:34:27,646 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:27,651 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:27,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99674103] [2019-12-07 19:34:27,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:34:27,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 19:34:27,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728709755] [2019-12-07 19:34:27,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:34:27,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:34:27,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:34:27,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:34:27,654 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-12-07 19:34:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:34:27,822 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2019-12-07 19:34:27,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:34:27,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 19:34:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:34:27,824 INFO L225 Difference]: With dead ends: 190 [2019-12-07 19:34:27,824 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 19:34:27,825 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:34:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 19:34:27,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2019-12-07 19:34:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 19:34:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-12-07 19:34:27,843 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2019-12-07 19:34:27,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:34:27,844 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-12-07 19:34:27,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:34:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-12-07 19:34:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 19:34:27,845 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:34:27,845 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:34:28,046 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:34:28,047 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:34:28,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:34:28,047 INFO L82 PathProgramCache]: Analyzing trace with hash 972122298, now seen corresponding path program 1 times [2019-12-07 19:34:28,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:34:28,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780394637] [2019-12-07 19:34:28,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 19:34:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:28,168 INFO L264 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:34:28,169 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:28,175 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:28,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780394637] [2019-12-07 19:34:28,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:34:28,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:34:28,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326105608] [2019-12-07 19:34:28,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:34:28,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:34:28,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:34:28,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:34:28,179 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-12-07 19:34:28,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:34:28,188 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2019-12-07 19:34:28,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:34:28,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 19:34:28,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:34:28,189 INFO L225 Difference]: With dead ends: 176 [2019-12-07 19:34:28,189 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 19:34:28,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:34:28,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 19:34:28,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 19:34:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 19:34:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-12-07 19:34:28,195 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2019-12-07 19:34:28,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:34:28,195 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-12-07 19:34:28,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:34:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-12-07 19:34:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 19:34:28,196 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:34:28,197 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 19:34:28,397 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 19:34:28,398 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:34:28,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:34:28,399 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2019-12-07 19:34:28,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:34:28,400 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523769393] [2019-12-07 19:34:28,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 19:34:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:28,530 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 19:34:28,532 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:28,543 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:34:28,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523769393] [2019-12-07 19:34:28,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [123709706] [2019-12-07 19:34:28,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:34:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:34:28,649 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:34:28,651 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:34:28,672 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 19:34:28,673 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:34:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 19:34:28,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 19:34:28,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 19:34:28,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722530970] [2019-12-07 19:34:28,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:34:28,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:34:28,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:34:28,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:34:28,676 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-12-07 19:34:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:34:28,741 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-12-07 19:34:28,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:34:28,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 19:34:28,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:34:28,742 INFO L225 Difference]: With dead ends: 118 [2019-12-07 19:34:28,743 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:34:28,743 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 19:34:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:34:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:34:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:34:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:34:28,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 19:34:28,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:34:28,744 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:34:28,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:34:28,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:34:28,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:34:29,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 19:34:29,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:34:29,469 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-12-07 19:34:29,469 INFO L246 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-12-07 19:34:29,469 INFO L246 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2019-12-07 19:34:29,469 INFO L242 CegarLoopResult]: At program point L581-2(lines 612 618) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,469 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:34:29,470 INFO L242 CegarLoopResult]: At program point L714(lines 709 717) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,470 INFO L242 CegarLoopResult]: At program point L714-1(lines 709 717) the Hoare annotation is: false [2019-12-07 19:34:29,470 INFO L246 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2019-12-07 19:34:29,470 INFO L242 CegarLoopResult]: At program point L714-2(lines 709 717) the Hoare annotation is: false [2019-12-07 19:34:29,470 INFO L246 CegarLoopResult]: For program point L648-1(lines 648 656) no Hoare annotation was computed. [2019-12-07 19:34:29,470 INFO L246 CegarLoopResult]: For program point L648-2(lines 648 656) no Hoare annotation was computed. [2019-12-07 19:34:29,470 INFO L249 CegarLoopResult]: At program point L863(lines 844 866) the Hoare annotation is: true [2019-12-07 19:34:29,470 INFO L246 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2019-12-07 19:34:29,470 INFO L246 CegarLoopResult]: For program point L880-2(lines 880 886) no Hoare annotation was computed. [2019-12-07 19:34:29,470 INFO L246 CegarLoopResult]: For program point L880-4(lines 880 886) no Hoare annotation was computed. [2019-12-07 19:34:29,470 INFO L242 CegarLoopResult]: At program point L831(lines 827 833) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:34:29,470 INFO L242 CegarLoopResult]: At program point L783-2(lines 783 797) the Hoare annotation is: false [2019-12-07 19:34:29,470 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L767-1(line 767) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L767-2(line 767) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L90-6(lines 90 94) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L242 CegarLoopResult]: At program point L619(lines 619 625) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,471 INFO L242 CegarLoopResult]: At program point L619-1(lines 619 625) the Hoare annotation is: false [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L242 CegarLoopResult]: At program point L619-2(lines 619 625) the Hoare annotation is: false [2019-12-07 19:34:29,471 INFO L242 CegarLoopResult]: At program point L553-1(lines 553 559) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:34:29,471 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L159(lines 154 162) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L159-1(lines 154 162) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L159-2(lines 154 162) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L246 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-12-07 19:34:29,472 INFO L246 CegarLoopResult]: For program point L787-1(lines 612 618) no Hoare annotation was computed. [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L705(lines 698 708) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L705-1(lines 698 708) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L127(lines 122 130) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L705-2(lines 698 708) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L127-1(lines 122 130) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L246 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2019-12-07 19:34:29,472 INFO L242 CegarLoopResult]: At program point L127-2(lines 122 130) the Hoare annotation is: false [2019-12-07 19:34:29,472 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:34:29,472 INFO L246 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2019-12-07 19:34:29,472 INFO L249 CegarLoopResult]: At program point L854-1(lines 854 861) the Hoare annotation is: true [2019-12-07 19:34:29,473 INFO L242 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: false [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L242 CegarLoopResult]: At program point L65(lines 1 892) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L644-1(lines 644 661) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L644-2(lines 644 661) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L876(lines 876 889) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L242 CegarLoopResult]: At program point L876-1(lines 1 892) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,473 INFO L246 CegarLoopResult]: For program point L876-2(lines 876 889) no Hoare annotation was computed. [2019-12-07 19:34:29,473 INFO L242 CegarLoopResult]: At program point L876-3(lines 1 892) the Hoare annotation is: false [2019-12-07 19:34:29,474 INFO L246 CegarLoopResult]: For program point L876-4(lines 876 889) no Hoare annotation was computed. [2019-12-07 19:34:29,474 INFO L242 CegarLoopResult]: At program point L876-5(lines 1 892) the Hoare annotation is: false [2019-12-07 19:34:29,474 INFO L242 CegarLoopResult]: At program point L612(lines 611 630) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,474 INFO L246 CegarLoopResult]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2019-12-07 19:34:29,474 INFO L242 CegarLoopResult]: At program point L612-2(lines 611 630) the Hoare annotation is: false [2019-12-07 19:34:29,474 INFO L242 CegarLoopResult]: At program point L612-3(lines 611 630) the Hoare annotation is: false [2019-12-07 19:34:29,474 INFO L246 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-12-07 19:34:29,474 INFO L242 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:34:29,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:34:29 BoogieIcfgContainer [2019-12-07 19:34:29,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:34:29,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:34:29,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:34:29,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:34:29,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:34:25" (3/4) ... [2019-12-07 19:34:29,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:34:29,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 19:34:29,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 19:34:29,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 19:34:29,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:34:29,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:34:29,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:34:29,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:34:29,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 19:34:29,549 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_436f5b15-6858-4698-b78b-0c27c34da4fe/bin/utaipan/witness.graphml [2019-12-07 19:34:29,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:34:29,551 INFO L168 Benchmark]: Toolchain (without parser) took 4935.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -111.2 MB). Peak memory consumption was 95.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:29,551 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:34:29,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:29,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:29,551 INFO L168 Benchmark]: Boogie Preprocessor took 26.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:34:29,552 INFO L168 Benchmark]: RCFGBuilder took 453.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:29,552 INFO L168 Benchmark]: TraceAbstraction took 3968.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -37.4 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:29,552 INFO L168 Benchmark]: Witness Printer took 63.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:34:29,553 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 380.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 453.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3968.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -37.4 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Witness Printer took 63.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 767]: 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: 611]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 378 SDtfs, 570 SDslu, 425 SDs, 0 SdLazy, 99 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 161 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1984 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 423 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 24342 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1506 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...