./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.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_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 d64d9b1029a36f4dbed006d1e1d8543a0c6e0731 ...................................................................................................................................... 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_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 d64d9b1029a36f4dbed006d1e1d8543a0c6e0731 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:47:58,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:47:58,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:47:58,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:47:58,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:47:58,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:47:58,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:47:59,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:47:59,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:47:59,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:47:59,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:47:59,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:47:59,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:47:59,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:47:59,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:47:59,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:47:59,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:47:59,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:47:59,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:47:59,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:47:59,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:47:59,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:47:59,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:47:59,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:47:59,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:47:59,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:47:59,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:47:59,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:47:59,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:47:59,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:47:59,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:47:59,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:47:59,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:47:59,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:47:59,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:47:59,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:47:59,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:47:59,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:47:59,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:47:59,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:47:59,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:47:59,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:47:59,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:47:59,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:47:59,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:47:59,038 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:47:59,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:47:59,038 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:47:59,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:47:59,038 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:47:59,039 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:47:59,039 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:47:59,039 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:47:59,039 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:47:59,039 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:47:59,040 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:47:59,040 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:47:59,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:47:59,041 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:47:59,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:47:59,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:47:59,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:47:59,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:47:59,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:47:59,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:47:59,042 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:47:59,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:47:59,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:47:59,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:47:59,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:47:59,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:47:59,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:47:59,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:47:59,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:47:59,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:47:59,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:47:59,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:47:59,044 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:47:59,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:47:59,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:47:59,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:47:59,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:47:59,045 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_c10e1577-2b07-4546-819c-e6bdc75502dd/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 -> d64d9b1029a36f4dbed006d1e1d8543a0c6e0731 [2019-12-07 14:47:59,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:47:59,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:47:59,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:47:59,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:47:59,167 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:47:59,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2019-12-07 14:47:59,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/919a2e55a/e30dcfc733ed4736abf65e9671f74964/FLAGd18762dc2 [2019-12-07 14:47:59,680 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:47:59,680 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2019-12-07 14:47:59,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/919a2e55a/e30dcfc733ed4736abf65e9671f74964/FLAGd18762dc2 [2019-12-07 14:47:59,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/919a2e55a/e30dcfc733ed4736abf65e9671f74964 [2019-12-07 14:47:59,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:47:59,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:47:59,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:47:59,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:47:59,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:47:59,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:47:59" (1/1) ... [2019-12-07 14:47:59,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374d8a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:47:59, skipping insertion in model container [2019-12-07 14:47:59,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:47:59" (1/1) ... [2019-12-07 14:47:59,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:47:59,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:47:59,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:47:59,976 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 14:47:59,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35dcda05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:47:59, skipping insertion in model container [2019-12-07 14:47:59,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:47:59,977 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:47:59,978 INFO L168 Benchmark]: Toolchain (without parser) took 277.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:47:59,979 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:47:59,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:47:59,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 152]: 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 14:48:01,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:48:01,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:48:01,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:48:01,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:48:01,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:48:01,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:48:01,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:48:01,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:48:01,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:48:01,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:48:01,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:48:01,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:48:01,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:48:01,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:48:01,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:48:01,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:48:01,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:48:01,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:48:01,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:48:01,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:48:01,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:48:01,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:48:01,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:48:01,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:48:01,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:48:01,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:48:01,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:48:01,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:48:01,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:48:01,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:48:01,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:48:01,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:48:01,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:48:01,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:48:01,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:48:01,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:48:01,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:48:01,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:48:01,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:48:01,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:48:01,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:48:01,153 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:48:01,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:48:01,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:48:01,154 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:48:01,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:48:01,154 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:48:01,154 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:48:01,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:48:01,155 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:48:01,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:48:01,156 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:48:01,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:48:01,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:48:01,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:48:01,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:48:01,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:48:01,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:48:01,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:48:01,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:48:01,157 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:48:01,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:48:01,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:48:01,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:48:01,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:48:01,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:48:01,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:48:01,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:48:01,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:48:01,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:48:01,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:48:01,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:48:01,160 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:48:01,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:48:01,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:48:01,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:48:01,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:48:01,161 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_c10e1577-2b07-4546-819c-e6bdc75502dd/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 -> d64d9b1029a36f4dbed006d1e1d8543a0c6e0731 [2019-12-07 14:48:01,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:48:01,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:48:01,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:48:01,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:48:01,335 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:48:01,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2019-12-07 14:48:01,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/2ae799bee/36e61033e2cd4be783d52ffb47b8fb5a/FLAG5630756e7 [2019-12-07 14:48:01,733 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:48:01,734 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2019-12-07 14:48:01,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/2ae799bee/36e61033e2cd4be783d52ffb47b8fb5a/FLAG5630756e7 [2019-12-07 14:48:01,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/data/2ae799bee/36e61033e2cd4be783d52ffb47b8fb5a [2019-12-07 14:48:01,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:48:01,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:48:01,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:48:01,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:48:01,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:48:01,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:48:01" (1/1) ... [2019-12-07 14:48:01,758 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 02:48:01, skipping insertion in model container [2019-12-07 14:48:01,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:48:01" (1/1) ... [2019-12-07 14:48:01,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:48:01,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:48:01,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:48:02,010 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:48:02,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:48:02,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:48:02,061 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:48:02,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:48:02,123 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:48:02,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02 WrapperNode [2019-12-07 14:48:02,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:48:02,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:48:02,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:48:02,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:48:02,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:48:02,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:48:02,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:48:02,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:48:02,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... [2019-12-07 14:48:02,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:48:02,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:48:02,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:48:02,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:48:02,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 14:48:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:48:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:48:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:48:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:48:02,701 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:48:02,702 INFO L287 CfgBuilder]: Removed 106 assume(true) statements. [2019-12-07 14:48:02,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:48:02 BoogieIcfgContainer [2019-12-07 14:48:02,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:48:02,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:48:02,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:48:02,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:48:02,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:48:01" (1/3) ... [2019-12-07 14:48:02,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb4962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:48:02, skipping insertion in model container [2019-12-07 14:48:02,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:48:02" (2/3) ... [2019-12-07 14:48:02,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb4962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:48:02, skipping insertion in model container [2019-12-07 14:48:02,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:48:02" (3/3) ... [2019-12-07 14:48:02,710 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2019-12-07 14:48:02,719 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:48:02,724 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:48:02,732 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:48:02,748 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:48:02,748 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:48:02,748 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:48:02,748 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:48:02,749 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:48:02,749 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:48:02,749 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:48:02,749 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:48:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2019-12-07 14:48:02,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 14:48:02,765 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:48:02,765 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:48:02,766 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:48:02,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:48:02,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1047706522, now seen corresponding path program 1 times [2019-12-07 14:48:02,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:48:02,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755166937] [2019-12-07 14:48:02,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 14:48:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:48:02,913 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:48:02,917 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:48:02,928 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 14:48:02,929 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:48:02,933 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 14:48:02,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755166937] [2019-12-07 14:48:02,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:48:02,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:48:02,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060621889] [2019-12-07 14:48:02,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:48:02,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:48:02,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:48:02,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:48:02,949 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2019-12-07 14:48:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:48:02,972 INFO L93 Difference]: Finished difference Result 160 states and 239 transitions. [2019-12-07 14:48:02,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:48:02,973 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 14:48:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:48:02,982 INFO L225 Difference]: With dead ends: 160 [2019-12-07 14:48:02,983 INFO L226 Difference]: Without dead ends: 79 [2019-12-07 14:48:02,985 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:48:02,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-12-07 14:48:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-12-07 14:48:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-12-07 14:48:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2019-12-07 14:48:03,017 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 18 [2019-12-07 14:48:03,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:48:03,017 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2019-12-07 14:48:03,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:48:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2019-12-07 14:48:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 14:48:03,019 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:48:03,019 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:48:03,219 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:48:03,220 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:48:03,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:48:03,220 INFO L82 PathProgramCache]: Analyzing trace with hash 136675769, now seen corresponding path program 1 times [2019-12-07 14:48:03,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:48:03,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739675343] [2019-12-07 14:48:03,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 14:48:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:48:03,345 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:48:03,346 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:48:03,359 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 14:48:03,359 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:48:03,367 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 14:48:03,368 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739675343] [2019-12-07 14:48:03,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:48:03,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:48:03,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036569636] [2019-12-07 14:48:03,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:48:03,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:48:03,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:48:03,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:48:03,370 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand 4 states. [2019-12-07 14:48:03,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:48:03,381 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2019-12-07 14:48:03,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:48:03,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 14:48:03,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:48:03,382 INFO L225 Difference]: With dead ends: 79 [2019-12-07 14:48:03,382 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 14:48:03,383 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:48:03,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 14:48:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 14:48:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 14:48:03,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-12-07 14:48:03,387 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-12-07 14:48:03,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:48:03,387 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-12-07 14:48:03,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:48:03,387 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-12-07 14:48:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:48:03,388 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:48:03,388 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 14:48:03,589 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:48:03,589 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:48:03,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:48:03,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1444562447, now seen corresponding path program 1 times [2019-12-07 14:48:03,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:48:03,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848347122] [2019-12-07 14:48:03,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 14:48:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:48:03,765 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:48:03,767 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:48:03,775 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 14:48:03,775 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:48:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:48:03,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848347122] [2019-12-07 14:48:03,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:48:03,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:48:03,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139348297] [2019-12-07 14:48:03,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:48:03,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:48:03,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:48:03,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:48:03,784 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 4 states. [2019-12-07 14:48:03,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:48:03,803 INFO L93 Difference]: Finished difference Result 124 states and 181 transitions. [2019-12-07 14:48:03,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:48:03,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 14:48:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:48:03,805 INFO L225 Difference]: With dead ends: 124 [2019-12-07 14:48:03,806 INFO L226 Difference]: Without dead ends: 93 [2019-12-07 14:48:03,806 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:48:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-12-07 14:48:03,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 58. [2019-12-07 14:48:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 14:48:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2019-12-07 14:48:03,817 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 24 [2019-12-07 14:48:03,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:48:03,817 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2019-12-07 14:48:03,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:48:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2019-12-07 14:48:03,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 14:48:03,819 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:48:03,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:48:04,019 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:48:04,020 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:48:04,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:48:04,020 INFO L82 PathProgramCache]: Analyzing trace with hash -685298349, now seen corresponding path program 1 times [2019-12-07 14:48:04,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:48:04,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872712900] [2019-12-07 14:48:04,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 14:48:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:48:04,144 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:48:04,146 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:48:04,161 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 14:48:04,161 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:48:04,185 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 14:48:04,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872712900] [2019-12-07 14:48:04,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:48:04,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 14:48:04,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238231186] [2019-12-07 14:48:04,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:48:04,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:48:04,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:48:04,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:48:04,187 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand 8 states. [2019-12-07 14:48:04,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:48:04,442 INFO L93 Difference]: Finished difference Result 602 states and 924 transitions. [2019-12-07 14:48:04,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 14:48:04,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 14:48:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:48:04,446 INFO L225 Difference]: With dead ends: 602 [2019-12-07 14:48:04,446 INFO L226 Difference]: Without dead ends: 550 [2019-12-07 14:48:04,447 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 14:48:04,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-12-07 14:48:04,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 148. [2019-12-07 14:48:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-12-07 14:48:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 214 transitions. [2019-12-07 14:48:04,471 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 214 transitions. Word has length 25 [2019-12-07 14:48:04,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:48:04,472 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 214 transitions. [2019-12-07 14:48:04,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:48:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 214 transitions. [2019-12-07 14:48:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 14:48:04,473 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:48:04,473 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:48:04,673 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:48:04,674 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:48:04,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:48:04,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1650359957, now seen corresponding path program 1 times [2019-12-07 14:48:04,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:48:04,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618745526] [2019-12-07 14:48:04,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/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 14:48:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:48:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:48:06,551 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 14:48:06,551 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:48:06,752 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:48:06,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:48:06 BoogieIcfgContainer [2019-12-07 14:48:06,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:48:06,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:48:06,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:48:06,822 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:48:06,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:48:02" (3/4) ... [2019-12-07 14:48:06,824 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 14:48:06,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c10e1577-2b07-4546-819c-e6bdc75502dd/bin/utaipan/witness.graphml [2019-12-07 14:48:06,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:48:06,889 INFO L168 Benchmark]: Toolchain (without parser) took 5135.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -243.8 MB). Peak memory consumption was 301.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:48:06,890 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:48:06,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:48:06,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.62 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:48:06,890 INFO L168 Benchmark]: Boogie Preprocessor took 27.70 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 14:48:06,891 INFO L168 Benchmark]: RCFGBuilder took 507.88 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: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:48:06,891 INFO L168 Benchmark]: TraceAbstraction took 4117.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 802.1 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:48:06,891 INFO L168 Benchmark]: Witness Printer took 66.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 802.1 MB in the beginning and 1.2 GB in the end (delta: -394.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:48:06,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.62 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.70 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 507.88 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: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4117.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 802.1 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. * Witness Printer took 66.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 802.1 MB in the beginning and 1.2 GB in the end (delta: -394.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L293] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int cleanupTimeShifts = 4; [L594] int waterLevel = 1; [L595] int methaneLevelCritical = 0; [L753] int pumpRunning = 0; [L754] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L568] int retValue_acc ; [L569] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L575] tmp = valid_product() [L577] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L694] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L696] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L702] tmp = __VERIFIER_nondet_int() [L704] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] COND TRUE waterLevel < 2 [L613] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] tmp___0 = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L760] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L767] COND TRUE \read(systemActive) [L789] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L792] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L633] int retValue_acc ; [L636] retValue_acc = methaneLevelCritical [L637] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L665] int retValue_acc ; [L668] retValue_acc = waterLevel [L669] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 [L841] int retValue_acc ; [L844] retValue_acc = pumpRunning [L845] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 83 locations, 3 error locations. Result: UNSAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 591 SDslu, 721 SDs, 0 SdLazy, 126 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=4, 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, 4 MinimizatonAttempts, 437 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 6 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...