./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.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_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/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 c2361d4ced817ad36e50edb6a8752f3651639931 ...................................................................................................................................... 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_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/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 c2361d4ced817ad36e50edb6a8752f3651639931 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:59:49,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:59:49,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:59:49,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:59:49,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:59:49,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:59:49,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:59:49,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:59:49,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:59:49,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:59:49,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:59:49,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:59:49,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:59:49,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:59:49,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:59:49,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:59:49,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:59:49,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:59:49,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:59:49,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:59:49,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:59:49,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:59:49,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:59:49,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:59:49,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:59:49,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:59:49,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:59:49,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:59:49,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:59:49,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:59:49,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:59:49,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:59:49,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:59:49,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:59:49,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:59:49,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:59:49,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:59:49,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:59:49,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:59:49,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:59:49,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:59:49,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:59:49,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:59:49,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:59:49,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:59:49,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:59:49,997 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:59:49,998 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:59:49,998 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:59:49,998 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:59:49,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:59:49,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:59:49,999 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:59:50,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:59:50,000 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:59:50,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:59:50,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:59:50,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:59:50,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:59:50,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:59:50,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:59:50,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:59:50,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:59:50,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:59:50,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:59:50,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:59:50,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:59:50,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:59:50,002 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_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/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 -> c2361d4ced817ad36e50edb6a8752f3651639931 [2019-12-07 16:59:50,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:59:50,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:59:50,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:59:50,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:59:50,126 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:59:50,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2019-12-07 16:59:50,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/c7ba22f5c/c754102b49a1468193b2739982db9543/FLAG0682af782 [2019-12-07 16:59:50,614 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:59:50,615 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2019-12-07 16:59:50,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/c7ba22f5c/c754102b49a1468193b2739982db9543/FLAG0682af782 [2019-12-07 16:59:50,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/c7ba22f5c/c754102b49a1468193b2739982db9543 [2019-12-07 16:59:50,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:59:50,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:59:50,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:50,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:59:50,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:59:50,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:50" (1/1) ... [2019-12-07 16:59:50,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e4e238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:50, skipping insertion in model container [2019-12-07 16:59:50,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:50" (1/1) ... [2019-12-07 16:59:50,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:59:50,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:59:50,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:50,881 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 16:59:50,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11a0dc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:50, skipping insertion in model container [2019-12-07 16:59:50,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:50,882 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:59:50,884 INFO L168 Benchmark]: Toolchain (without parser) took 249.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:50,884 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:59:50,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:50,886 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 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:59:51,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:59:52,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:59:52,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:59:52,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:59:52,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:59:52,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:59:52,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:59:52,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:59:52,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:59:52,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:59:52,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:59:52,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:59:52,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:59:52,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:59:52,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:59:52,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:59:52,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:59:52,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:59:52,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:59:52,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:59:52,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:59:52,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:59:52,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:59:52,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:59:52,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:59:52,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:59:52,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:59:52,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:59:52,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:59:52,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:59:52,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:59:52,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:59:52,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:59:52,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:59:52,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:59:52,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:59:52,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:59:52,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:59:52,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:59:52,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:59:52,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:59:52,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:59:52,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:59:52,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:59:52,044 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:59:52,044 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:59:52,044 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:59:52,044 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:59:52,044 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:59:52,045 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:59:52,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:59:52,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:59:52,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:59:52,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:59:52,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:59:52,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:59:52,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:59:52,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:59:52,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:59:52,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:59:52,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:59:52,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:59:52,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:59:52,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:59:52,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:59:52,048 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:59:52,048 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:59:52,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:59:52,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:59:52,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:59:52,048 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_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/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 -> c2361d4ced817ad36e50edb6a8752f3651639931 [2019-12-07 16:59:52,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:59:52,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:59:52,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:59:52,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:59:52,226 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:59:52,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2019-12-07 16:59:52,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/607fb101e/f2ac29c819394b74927089aea951d039/FLAGe5c82a603 [2019-12-07 16:59:52,770 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:59:52,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2019-12-07 16:59:52,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/607fb101e/f2ac29c819394b74927089aea951d039/FLAGe5c82a603 [2019-12-07 16:59:52,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/data/607fb101e/f2ac29c819394b74927089aea951d039 [2019-12-07 16:59:52,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:59:52,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:59:52,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:52,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:59:52,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:59:52,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:52" (1/1) ... [2019-12-07 16:59:52,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:52, skipping insertion in model container [2019-12-07 16:59:52,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:59:52" (1/1) ... [2019-12-07 16:59:52,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:59:52,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:59:53,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:53,064 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:59:53,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:59:53,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:53,110 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:59:53,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:59:53,170 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:59:53,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53 WrapperNode [2019-12-07 16:59:53,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:59:53,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:59:53,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:59:53,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:59:53,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:59:53,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:59:53,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:59:53,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:59:53,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... [2019-12-07 16:59:53,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:59:53,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:59:53,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:59:53,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:59:53,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:59:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:59:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:59:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:59:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:59:53,869 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:59:53,869 INFO L287 CfgBuilder]: Removed 168 assume(true) statements. [2019-12-07 16:59:53,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:53 BoogieIcfgContainer [2019-12-07 16:59:53,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:59:53,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:59:53,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:59:53,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:59:53,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:59:52" (1/3) ... [2019-12-07 16:59:53,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff37835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:59:53, skipping insertion in model container [2019-12-07 16:59:53,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:59:53" (2/3) ... [2019-12-07 16:59:53,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff37835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:59:53, skipping insertion in model container [2019-12-07 16:59:53,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:53" (3/3) ... [2019-12-07 16:59:53,877 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2019-12-07 16:59:53,886 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:59:53,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:59:53,899 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:59:53,915 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:59:53,915 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:59:53,915 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:59:53,915 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:59:53,915 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:59:53,915 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:59:53,915 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:59:53,915 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:59:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 16:59:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:59:53,931 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:53,932 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 16:59:53,932 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:53,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:53,936 INFO L82 PathProgramCache]: Analyzing trace with hash -194461515, now seen corresponding path program 1 times [2019-12-07 16:59:53,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:53,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410571024] [2019-12-07 16:59:53,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:54,092 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:59:54,095 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:54,106 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:54,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410571024] [2019-12-07 16:59:54,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:54,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:59:54,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204109420] [2019-12-07 16:59:54,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:59:54,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:54,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:59:54,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:59:54,125 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 16:59:54,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:54,146 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2019-12-07 16:59:54,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:59:54,147 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:59:54,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:54,156 INFO L225 Difference]: With dead ends: 220 [2019-12-07 16:59:54,156 INFO L226 Difference]: Without dead ends: 109 [2019-12-07 16:59:54,158 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 16:59:54,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-12-07 16:59:54,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-12-07 16:59:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-12-07 16:59:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2019-12-07 16:59:54,188 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2019-12-07 16:59:54,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:54,189 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2019-12-07 16:59:54,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:59:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2019-12-07 16:59:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:59:54,190 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:54,190 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 16:59:54,391 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:59:54,392 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:54,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:54,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1105492268, now seen corresponding path program 1 times [2019-12-07 16:59:54,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:54,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740153013] [2019-12-07 16:59:54,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:54,559 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:59:54,560 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:54,573 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:54,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740153013] [2019-12-07 16:59:54,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:54,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:59:54,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957696056] [2019-12-07 16:59:54,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:59:54,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:54,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:59:54,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:59:54,584 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand 4 states. [2019-12-07 16:59:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:54,599 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2019-12-07 16:59:54,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:59:54,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 16:59:54,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:54,600 INFO L225 Difference]: With dead ends: 109 [2019-12-07 16:59:54,601 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 16:59:54,602 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 16:59:54,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 16:59:54,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 16:59:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 16:59:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 16:59:54,608 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-12-07 16:59:54,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:54,608 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 16:59:54,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:59:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 16:59:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:59:54,609 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:54,610 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:59:54,810 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:59:54,810 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:54,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:54,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1805721692, now seen corresponding path program 1 times [2019-12-07 16:59:54,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:54,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172711581] [2019-12-07 16:59:54,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:54,917 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:59:54,918 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:54,927 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:54,933 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 16:59:54,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172711581] [2019-12-07 16:59:54,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:54,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:59:54,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372887225] [2019-12-07 16:59:54,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:59:54,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:54,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:59:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:59:54,935 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 4 states. [2019-12-07 16:59:54,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:54,994 INFO L93 Difference]: Finished difference Result 154 states and 226 transitions. [2019-12-07 16:59:54,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:59:54,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 16:59:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:54,995 INFO L225 Difference]: With dead ends: 154 [2019-12-07 16:59:54,995 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 16:59:54,996 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 16:59:54,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 16:59:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 68. [2019-12-07 16:59:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 16:59:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2019-12-07 16:59:55,004 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 24 [2019-12-07 16:59:55,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:55,004 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2019-12-07 16:59:55,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:59:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2019-12-07 16:59:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 16:59:55,005 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:55,005 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 16:59:55,207 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:59:55,208 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:55,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:55,209 INFO L82 PathProgramCache]: Analyzing trace with hash -820987702, now seen corresponding path program 1 times [2019-12-07 16:59:55,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:55,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200681367] [2019-12-07 16:59:55,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:55,480 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:59:55,482 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:55,498 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:59:55,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200681367] [2019-12-07 16:59:55,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:55,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 16:59:55,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734391441] [2019-12-07 16:59:55,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:59:55,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:55,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:59:55,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:59:55,526 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand 8 states. [2019-12-07 16:59:55,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:55,785 INFO L93 Difference]: Finished difference Result 762 states and 1164 transitions. [2019-12-07 16:59:55,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 16:59:55,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-12-07 16:59:55,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:55,790 INFO L225 Difference]: With dead ends: 762 [2019-12-07 16:59:55,790 INFO L226 Difference]: Without dead ends: 700 [2019-12-07 16:59:55,791 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 16:59:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2019-12-07 16:59:55,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 178. [2019-12-07 16:59:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-12-07 16:59:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 259 transitions. [2019-12-07 16:59:55,822 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 259 transitions. Word has length 26 [2019-12-07 16:59:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:55,823 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 259 transitions. [2019-12-07 16:59:55,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:59:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 259 transitions. [2019-12-07 16:59:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 16:59:55,825 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:55,825 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:59:56,026 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:59:56,027 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:56,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:56,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1430024248, now seen corresponding path program 1 times [2019-12-07 16:59:56,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:56,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126638374] [2019-12-07 16:59:56,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:59:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:59:57,783 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 16:59:57,783 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:59:57,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:59:58,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:59:58 BoogieIcfgContainer [2019-12-07 16:59:58,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:59:58,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:59:58,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:59:58,072 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:59:58,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:53" (3/4) ... [2019-12-07 16:59:58,074 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:59:58,127 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a6671e92-c780-4f6f-a3ce-52bf92d9f7d3/bin/utaipan/witness.graphml [2019-12-07 16:59:58,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:59:58,129 INFO L168 Benchmark]: Toolchain (without parser) took 5338.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -206.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:59:58,129 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:59:58,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:58,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.28 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 16:59:58,130 INFO L168 Benchmark]: Boogie Preprocessor took 32.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:58,130 INFO L168 Benchmark]: RCFGBuilder took 621.65 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: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:58,130 INFO L168 Benchmark]: TraceAbstraction took 4199.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.7 MB). Peak memory consumption was 233.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:58,130 INFO L168 Benchmark]: Witness Printer took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:58,132 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 379.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.28 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 32.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 621.65 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: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4199.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.7 MB). Peak memory consumption was 233.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 712]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L489] int pumpRunning = 0; [L490] int systemActive = 1; [L717] int cleanupTimeShifts = 4; [L886] int waterLevel = 1; [L887] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L793] int retValue_acc ; [L794] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L800] tmp = valid_product() [L802] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] int splverifierCounter ; [L414] int tmp ; [L415] int tmp___0 ; [L416] int tmp___1 ; [L417] int tmp___2 ; [L420] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L430] tmp = __VERIFIER_nondet_int() [L432] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L904] COND TRUE waterLevel < 2 [L905] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L440] tmp___0 = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L450] tmp___2 = __VERIFIER_nondet_int() [L452] COND TRUE \read(tmp___2) [L703] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L497] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L504] COND TRUE \read(systemActive) [L552] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L555] COND FALSE !(\read(pumpRunning)) [L526] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] int tmp ; [L819] int tmp___0 ; [L820] int tmp___1 ; [L925] int retValue_acc ; [L928] retValue_acc = methaneLevelCritical [L929] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L957] int retValue_acc ; [L960] retValue_acc = waterLevel [L961] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L830] tmp___0 = getWaterLevel() [L832] COND TRUE tmp___0 == 2 [L621] int retValue_acc ; [L624] retValue_acc = pumpRunning [L625] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L834] tmp___1 = isPumpRunning() [L836] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] __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, 113 locations, 3 error locations. Result: UNSAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 404 SDtfs, 827 SDslu, 1022 SDs, 0 SdLazy, 145 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred 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, 567 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 8750 SizeOfPredicates, 6 NumberOfNonLiveVariables, 737 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...