./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.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_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 ...................................................................................................................................... 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_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:03:10,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:03:10,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:03:10,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:03:10,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:03:10,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:03:10,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:03:10,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:03:10,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:03:10,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:03:10,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:03:10,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:03:10,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:03:10,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:03:10,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:03:10,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:03:10,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:03:10,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:03:10,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:03:10,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:03:10,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:03:10,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:03:10,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:03:10,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:03:10,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:03:10,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:03:10,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:03:10,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:03:10,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:03:10,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:03:10,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:03:10,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:03:10,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:03:10,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:03:10,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:03:10,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:03:10,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:03:10,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:03:10,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:03:10,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:03:10,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:03:10,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 17:03:10,065 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:03:10,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:03:10,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 17:03:10,066 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 17:03:10,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 17:03:10,067 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 17:03:10,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 17:03:10,067 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 17:03:10,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 17:03:10,067 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 17:03:10,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 17:03:10,068 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 17:03:10,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 17:03:10,068 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 17:03:10,068 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 17:03:10,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:03:10,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:03:10,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:03:10,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:03:10,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:03:10,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:03:10,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:03:10,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:03:10,070 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 17:03:10,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:03:10,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:03:10,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:03:10,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:03:10,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:03:10,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:03:10,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:03:10,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:03:10,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:03:10,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:03:10,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:03:10,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 17:03:10,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:03:10,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:03:10,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:03:10,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:03:10,073 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_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 -> cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 [2019-12-07 17:03:10,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:03:10,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:03:10,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:03:10,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:03:10,185 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:03:10,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2019-12-07 17:03:10,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/aec6e7994/92719de5f5eb4434888fd5eec0342495/FLAGa2309ca76 [2019-12-07 17:03:10,571 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:03:10,571 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2019-12-07 17:03:10,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/aec6e7994/92719de5f5eb4434888fd5eec0342495/FLAGa2309ca76 [2019-12-07 17:03:10,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/aec6e7994/92719de5f5eb4434888fd5eec0342495 [2019-12-07 17:03:10,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:03:10,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:03:10,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:03:10,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:03:10,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:03:10,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:03:10" (1/1) ... [2019-12-07 17:03:10,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:10, skipping insertion in model container [2019-12-07 17:03:10,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:03:10" (1/1) ... [2019-12-07 17:03:10,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:03:10,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:03:10,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:03:10,853 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 17:03:10,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78425472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:10, skipping insertion in model container [2019-12-07 17:03:10,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:03:10,854 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 17:03:10,856 INFO L168 Benchmark]: Toolchain (without parser) took 263.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:10,857 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:03:10,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:10,859 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 115]: 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 17:03:11,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:03:11,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:03:11,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:03:11,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:03:11,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:03:11,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:03:11,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:03:11,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:03:11,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:03:11,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:03:11,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:03:11,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:03:11,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:03:11,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:03:11,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:03:11,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:03:11,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:03:11,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:03:11,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:03:11,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:03:11,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:03:11,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:03:11,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:03:12,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:03:12,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:03:12,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:03:12,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:03:12,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:03:12,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:03:12,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:03:12,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:03:12,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:03:12,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:03:12,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:03:12,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:03:12,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:03:12,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:03:12,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:03:12,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:03:12,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:03:12,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 17:03:12,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:03:12,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:03:12,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 17:03:12,018 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 17:03:12,018 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 17:03:12,018 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 17:03:12,018 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 17:03:12,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 17:03:12,018 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 17:03:12,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:03:12,019 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:03:12,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:03:12,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:03:12,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:03:12,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:03:12,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:03:12,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:03:12,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:03:12,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:03:12,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:03:12,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:03:12,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:03:12,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:03:12,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:03:12,022 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 17:03:12,022 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:03:12,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:03:12,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:03:12,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:03:12,022 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_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 -> cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 [2019-12-07 17:03:12,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:03:12,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:03:12,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:03:12,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:03:12,198 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:03:12,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2019-12-07 17:03:12,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/f00ccabc5/3efa88983ad940e9ab031034c86d1bc9/FLAG52b721262 [2019-12-07 17:03:12,678 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:03:12,678 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2019-12-07 17:03:12,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/f00ccabc5/3efa88983ad940e9ab031034c86d1bc9/FLAG52b721262 [2019-12-07 17:03:13,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/data/f00ccabc5/3efa88983ad940e9ab031034c86d1bc9 [2019-12-07 17:03:13,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:03:13,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:03:13,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:03:13,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:03:13,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:03:13,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13, skipping insertion in model container [2019-12-07 17:03:13,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:03:13,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:03:13,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:03:13,273 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 17:03:13,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:03:13,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:03:13,326 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:03:13,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:03:13,385 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:03:13,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13 WrapperNode [2019-12-07 17:03:13,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:03:13,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:03:13,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:03:13,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:03:13,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:03:13,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:03:13,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:03:13,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:03:13,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... [2019-12-07 17:03:13,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:03:13,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:03:13,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:03:13,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:03:13,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 17:03:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:03:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 17:03:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:03:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:03:13,927 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:03:13,927 INFO L287 CfgBuilder]: Removed 74 assume(true) statements. [2019-12-07 17:03:13,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:03:13 BoogieIcfgContainer [2019-12-07 17:03:13,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:03:13,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:03:13,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:03:13,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:03:13,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:03:13" (1/3) ... [2019-12-07 17:03:13,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fb6091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:03:13, skipping insertion in model container [2019-12-07 17:03:13,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:03:13" (2/3) ... [2019-12-07 17:03:13,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fb6091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:03:13, skipping insertion in model container [2019-12-07 17:03:13,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:03:13" (3/3) ... [2019-12-07 17:03:13,934 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2019-12-07 17:03:13,940 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:03:13,946 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:03:13,954 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:03:13,971 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:03:13,971 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:03:13,971 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:03:13,971 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:03:13,971 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:03:13,972 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:03:13,972 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:03:13,972 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:03:13,983 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-12-07 17:03:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 17:03:13,987 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:03:13,988 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 17:03:13,988 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:03:13,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:03:13,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1626458267, now seen corresponding path program 1 times [2019-12-07 17:03:14,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:03:14,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818293842] [2019-12-07 17:03:14,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 17:03:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:03:14,126 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:03:14,130 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:03:14,140 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 17:03:14,141 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:03:14,144 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 17:03:14,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818293842] [2019-12-07 17:03:14,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:03:14,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:03:14,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812389330] [2019-12-07 17:03:14,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:03:14,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:03:14,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:03:14,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:03:14,160 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-12-07 17:03:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:03:14,176 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2019-12-07 17:03:14,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:03:14,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 17:03:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:03:14,185 INFO L225 Difference]: With dead ends: 120 [2019-12-07 17:03:14,185 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 17:03:14,187 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 17:03:14,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 17:03:14,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 17:03:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 17:03:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-12-07 17:03:14,214 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2019-12-07 17:03:14,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:03:14,214 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-12-07 17:03:14,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:03:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-12-07 17:03:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:03:14,215 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:03:14,215 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 17:03:14,416 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:03:14,417 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:03:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:03:14,418 INFO L82 PathProgramCache]: Analyzing trace with hash 715427514, now seen corresponding path program 1 times [2019-12-07 17:03:14,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:03:14,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084130622] [2019-12-07 17:03:14,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 17:03:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:03:14,662 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:03:14,665 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:03:14,680 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 17:03:14,680 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:03:14,689 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 17:03:14,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084130622] [2019-12-07 17:03:14,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:03:14,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 17:03:14,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728513682] [2019-12-07 17:03:14,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:03:14,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:03:14,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:03:14,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:03:14,692 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 4 states. [2019-12-07 17:03:14,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:03:14,702 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2019-12-07 17:03:14,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:03:14,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 17:03:14,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:03:14,703 INFO L225 Difference]: With dead ends: 59 [2019-12-07 17:03:14,704 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 17:03:14,704 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 17:03:14,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 17:03:14,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 17:03:14,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 17:03:14,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-12-07 17:03:14,708 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-12-07 17:03:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:03:14,708 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-12-07 17:03:14,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:03:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-12-07 17:03:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 17:03:14,709 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:03:14,709 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, 1] [2019-12-07 17:03:14,909 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:03:14,910 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:03:14,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:03:14,911 INFO L82 PathProgramCache]: Analyzing trace with hash 930808050, now seen corresponding path program 1 times [2019-12-07 17:03:14,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:03:14,913 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285340457] [2019-12-07 17:03:14,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 17:03:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:03:15,146 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:03:15,148 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:03:15,163 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 17:03:15,164 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:03:15,188 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 17:03:15,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285340457] [2019-12-07 17:03:15,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:03:15,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 17:03:15,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006666231] [2019-12-07 17:03:15,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 17:03:15,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:03:15,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:03:15,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:03:15,190 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 8 states. [2019-12-07 17:03:15,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:03:15,425 INFO L93 Difference]: Finished difference Result 244 states and 381 transitions. [2019-12-07 17:03:15,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 17:03:15,426 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-12-07 17:03:15,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:03:15,428 INFO L225 Difference]: With dead ends: 244 [2019-12-07 17:03:15,429 INFO L226 Difference]: Without dead ends: 221 [2019-12-07 17:03:15,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 17:03:15,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-12-07 17:03:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 66. [2019-12-07 17:03:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 17:03:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2019-12-07 17:03:15,442 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 24 [2019-12-07 17:03:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:03:15,443 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2019-12-07 17:03:15,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 17:03:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2019-12-07 17:03:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 17:03:15,444 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:03:15,444 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 17:03:15,644 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:03:15,645 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:03:15,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:03:15,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1487700112, now seen corresponding path program 1 times [2019-12-07 17:03:15,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:03:15,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355607174] [2019-12-07 17:03:15,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/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 17:03:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:03:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:03:17,540 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 17:03:17,540 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:03:17,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 17:03:17,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:03:17 BoogieIcfgContainer [2019-12-07 17:03:17,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:03:17,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:03:17,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:03:17,822 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:03:17,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:03:13" (3/4) ... [2019-12-07 17:03:17,824 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:03:17,875 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_830fa63c-85af-4dd9-858e-f5f2d14aa8c8/bin/utaipan/witness.graphml [2019-12-07 17:03:17,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:03:17,877 INFO L168 Benchmark]: Toolchain (without parser) took 4851.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 947.0 MB in the beginning and 819.9 MB in the end (delta: 127.1 MB). Peak memory consumption was 232.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:17,877 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 17:03:17,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -127.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:17,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:03:17,878 INFO L168 Benchmark]: Boogie Preprocessor took 25.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:17,878 INFO L168 Benchmark]: RCFGBuilder took 476.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:17,878 INFO L168 Benchmark]: TraceAbstraction took 3893.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 826.6 MB in the end (delta: 175.1 MB). Peak memory consumption was 175.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:17,879 INFO L168 Benchmark]: Witness Printer took 53.31 ms. Allocated memory is still 1.1 GB. Free memory was 826.6 MB in the beginning and 819.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:17,880 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 360.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -127.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 476.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3893.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 826.6 MB in the end (delta: 175.1 MB). Peak memory consumption was 175.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.31 ms. Allocated memory is still 1.1 GB. Free memory was 826.6 MB in the beginning and 819.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int pumpRunning = 0; [L463] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L779] int waterLevel = 1; [L780] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] int retValue_acc ; [L757] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L797] COND TRUE waterLevel < 2 [L798] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND TRUE \read(tmp___2) [L573] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] int tmp ; [L581] int tmp___0 ; [L582] int tmp___1 ; [L818] int retValue_acc ; [L821] retValue_acc = methaneLevelCritical [L822] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] tmp = isMethaneLevelCritical() [L588] COND FALSE !(\read(tmp)) [L850] int retValue_acc ; [L853] retValue_acc = waterLevel [L854] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L592] tmp___0 = getWaterLevel() [L594] COND TRUE tmp___0 == 2 [L525] int retValue_acc ; [L528] retValue_acc = pumpRunning [L529] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] tmp___1 = isPumpRunning() [L598] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __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, 63 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 417 SDslu, 325 SDs, 0 SdLazy, 79 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=3, 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, 3 MinimizatonAttempts, 155 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 6384 SizeOfPredicates, 5 NumberOfNonLiveVariables, 548 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...