./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.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_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c ...................................................................................................................................... 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_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:00:42,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:00:42,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:00:42,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:00:42,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:00:42,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:00:42,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:00:42,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:00:42,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:00:42,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:00:42,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:00:42,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:00:42,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:00:42,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:00:42,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:00:42,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:00:42,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:00:42,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:00:42,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:00:42,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:00:42,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:00:42,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:00:42,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:00:42,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:00:42,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:00:42,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:00:42,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:00:42,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:00:42,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:00:42,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:00:42,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:00:42,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:00:42,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:00:42,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:00:42,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:00:42,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:00:42,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:00:42,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:00:42,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:00:42,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:00:42,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:00:42,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:00:42,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:00:42,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:00:42,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:00:42,966 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:00:42,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:00:42,966 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:00:42,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:00:42,966 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:00:42,966 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:00:42,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:00:42,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:00:42,967 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:00:42,967 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:00:42,967 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:00:42,968 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:00:42,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:00:42,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:00:42,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:00:42,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:00:42,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:00:42,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:00:42,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:00:42,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:00:42,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:00:42,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:00:42,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:00:42,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:00:42,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:00:42,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:00:42,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:00:42,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:00:42,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:00:42,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:00:42,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:00:42,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:00:42,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:00:42,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:00:42,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:00:42,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:00:42,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:00:42,972 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_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c [2019-12-07 20:00:43,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:00:43,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:00:43,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:00:43,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:00:43,099 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:00:43,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-12-07 20:00:43,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/3d4f1a4ea/ea464b4c7a2b4355b6e4916ec1d1388d/FLAG8113c6cca [2019-12-07 20:00:43,596 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:00:43,596 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-12-07 20:00:43,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/3d4f1a4ea/ea464b4c7a2b4355b6e4916ec1d1388d/FLAG8113c6cca [2019-12-07 20:00:43,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/3d4f1a4ea/ea464b4c7a2b4355b6e4916ec1d1388d [2019-12-07 20:00:43,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:00:43,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:00:43,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:00:43,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:00:43,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:00:43,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:00:43" (1/1) ... [2019-12-07 20:00:43,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:43, skipping insertion in model container [2019-12-07 20:00:43,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:00:43" (1/1) ... [2019-12-07 20:00:43,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:00:43,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:00:43,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:00:43,894 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 20:00:43,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2520d299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:43, skipping insertion in model container [2019-12-07 20:00:43,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:00:43,895 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:00:43,897 INFO L168 Benchmark]: Toolchain (without parser) took 281.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:00:43,897 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:00:43,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:00:43,899 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 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 23.1 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 20:00:44,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:00:44,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:00:45,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:00:45,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:00:45,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:00:45,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:00:45,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:00:45,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:00:45,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:00:45,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:00:45,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:00:45,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:00:45,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:00:45,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:00:45,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:00:45,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:00:45,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:00:45,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:00:45,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:00:45,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:00:45,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:00:45,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:00:45,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:00:45,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:00:45,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:00:45,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:00:45,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:00:45,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:00:45,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:00:45,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:00:45,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:00:45,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:00:45,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:00:45,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:00:45,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:00:45,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:00:45,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:00:45,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:00:45,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:00:45,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:00:45,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:00:45,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:00:45,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:00:45,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:00:45,043 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:00:45,043 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:00:45,043 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:00:45,043 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:00:45,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:00:45,043 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:00:45,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:00:45,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:00:45,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:00:45,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:00:45,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:00:45,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:00:45,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:00:45,045 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:00:45,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:00:45,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:00:45,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:00:45,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:00:45,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:00:45,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:00:45,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:00:45,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:00:45,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:00:45,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:00:45,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:00:45,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:00:45,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:00:45,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:00:45,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:00:45,047 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:00:45,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:00:45,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:00:45,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:00:45,048 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_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c [2019-12-07 20:00:45,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:00:45,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:00:45,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:00:45,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:00:45,222 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:00:45,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-12-07 20:00:45,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/f1ba51441/3542bd95712c4dfcb2e103cf4d216421/FLAG424e54f32 [2019-12-07 20:00:45,711 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:00:45,711 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-12-07 20:00:45,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/f1ba51441/3542bd95712c4dfcb2e103cf4d216421/FLAG424e54f32 [2019-12-07 20:00:46,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/data/f1ba51441/3542bd95712c4dfcb2e103cf4d216421 [2019-12-07 20:00:46,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:00:46,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:00:46,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:00:46,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:00:46,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:00:46,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46, skipping insertion in model container [2019-12-07 20:00:46,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:00:46,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:00:46,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:00:46,301 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:00:46,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:00:46,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:00:46,349 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:00:46,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:00:46,410 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:00:46,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46 WrapperNode [2019-12-07 20:00:46,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:00:46,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:00:46,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:00:46,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:00:46,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:00:46,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:00:46,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:00:46,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:00:46,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... [2019-12-07 20:00:46,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:00:46,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:00:46,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:00:46,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:00:46,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 20:00:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:00:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:00:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:00:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:00:46,995 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:00:46,995 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 20:00:46,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:00:46 BoogieIcfgContainer [2019-12-07 20:00:46,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:00:46,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:00:46,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:00:46,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:00:46,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:00:46" (1/3) ... [2019-12-07 20:00:47,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb122b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:00:47, skipping insertion in model container [2019-12-07 20:00:47,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:00:46" (2/3) ... [2019-12-07 20:00:47,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb122b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:00:47, skipping insertion in model container [2019-12-07 20:00:47,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:00:46" (3/3) ... [2019-12-07 20:00:47,001 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2019-12-07 20:00:47,008 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:00:47,014 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:00:47,022 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:00:47,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:00:47,039 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:00:47,040 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:00:47,040 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:00:47,040 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:00:47,040 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:00:47,040 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:00:47,040 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:00:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-12-07 20:00:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:00:47,056 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:00:47,057 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 20:00:47,057 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:00:47,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:00:47,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1940604754, now seen corresponding path program 1 times [2019-12-07 20:00:47,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:00:47,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782644356] [2019-12-07 20:00:47,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 20:00:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:00:47,199 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:00:47,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:00:47,213 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 20:00:47,213 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:00:47,217 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 20:00:47,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782644356] [2019-12-07 20:00:47,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:00:47,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:00:47,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932094276] [2019-12-07 20:00:47,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:00:47,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:00:47,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:00:47,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:00:47,233 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-12-07 20:00:47,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:00:47,251 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2019-12-07 20:00:47,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:00:47,252 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:00:47,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:00:47,259 INFO L225 Difference]: With dead ends: 156 [2019-12-07 20:00:47,260 INFO L226 Difference]: Without dead ends: 77 [2019-12-07 20:00:47,262 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 20:00:47,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-12-07 20:00:47,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-12-07 20:00:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 20:00:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2019-12-07 20:00:47,290 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 18 [2019-12-07 20:00:47,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:00:47,291 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2019-12-07 20:00:47,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:00:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2019-12-07 20:00:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:00:47,292 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:00:47,292 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 20:00:47,492 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:00:47,493 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:00:47,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:00:47,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1815937872, now seen corresponding path program 1 times [2019-12-07 20:00:47,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:00:47,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325839668] [2019-12-07 20:00:47,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 20:00:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:00:47,660 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:00:47,662 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:00:47,674 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 20:00:47,674 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:00:47,683 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 20:00:47,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325839668] [2019-12-07 20:00:47,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:00:47,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:00:47,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638372774] [2019-12-07 20:00:47,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:00:47,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:00:47,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:00:47,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:00:47,686 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand 4 states. [2019-12-07 20:00:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:00:47,696 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2019-12-07 20:00:47,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:00:47,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:00:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:00:47,697 INFO L225 Difference]: With dead ends: 77 [2019-12-07 20:00:47,697 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 20:00:47,698 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 20:00:47,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 20:00:47,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 20:00:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 20:00:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 20:00:47,702 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 20:00:47,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:00:47,702 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 20:00:47,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:00:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 20:00:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:00:47,703 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:00:47,703 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 20:00:47,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:00:47,904 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:00:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:00:47,905 INFO L82 PathProgramCache]: Analyzing trace with hash -163835793, now seen corresponding path program 1 times [2019-12-07 20:00:47,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:00:47,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469622555] [2019-12-07 20:00:47,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 20:00:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:00:48,073 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:00:48,075 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:00:48,084 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 20:00:48,084 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:00:48,091 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 20:00:48,092 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469622555] [2019-12-07 20:00:48,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:00:48,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:00:48,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867431759] [2019-12-07 20:00:48,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:00:48,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:00:48,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:00:48,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:00:48,093 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 20:00:48,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:00:48,100 INFO L93 Difference]: Finished difference Result 64 states and 92 transitions. [2019-12-07 20:00:48,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:00:48,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:00:48,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:00:48,101 INFO L225 Difference]: With dead ends: 64 [2019-12-07 20:00:48,101 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 20:00:48,102 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 20:00:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 20:00:48,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 20:00:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 20:00:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-12-07 20:00:48,106 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-12-07 20:00:48,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:00:48,106 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-12-07 20:00:48,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:00:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-12-07 20:00:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:00:48,107 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:00:48,108 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 20:00:48,308 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:00:48,308 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:00:48,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:00:48,309 INFO L82 PathProgramCache]: Analyzing trace with hash 993963754, now seen corresponding path program 1 times [2019-12-07 20:00:48,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:00:48,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026035667] [2019-12-07 20:00:48,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 20:00:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:00:48,482 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:00:48,483 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:00:48,498 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 20:00:48,499 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:00:48,528 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 20:00:48,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026035667] [2019-12-07 20:00:48,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:00:48,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:00:48,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491758808] [2019-12-07 20:00:48,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:00:48,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:00:48,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:00:48,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:00:48,530 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 8 states. [2019-12-07 20:00:48,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:00:48,771 INFO L93 Difference]: Finished difference Result 340 states and 509 transitions. [2019-12-07 20:00:48,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 20:00:48,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 20:00:48,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:00:48,774 INFO L225 Difference]: With dead ends: 340 [2019-12-07 20:00:48,774 INFO L226 Difference]: Without dead ends: 311 [2019-12-07 20:00:48,775 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 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 20:00:48,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-12-07 20:00:48,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 84. [2019-12-07 20:00:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-12-07 20:00:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2019-12-07 20:00:48,787 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 25 [2019-12-07 20:00:48,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:00:48,787 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2019-12-07 20:00:48,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:00:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-12-07 20:00:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:00:48,788 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:00:48,788 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 20:00:48,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:00:48,989 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:00:48,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:00:48,990 INFO L82 PathProgramCache]: Analyzing trace with hash -965345236, now seen corresponding path program 1 times [2019-12-07 20:00:48,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:00:48,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339960745] [2019-12-07 20:00:48,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/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 20:00:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:00:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:00:50,495 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:00:50,495 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:00:50,696 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:00:50,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:00:50 BoogieIcfgContainer [2019-12-07 20:00:50,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:00:50,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:00:50,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:00:50,760 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:00:50,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:00:46" (3/4) ... [2019-12-07 20:00:50,762 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:00:50,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a4b08a47-3893-41b6-9630-f0bccc3e505b/bin/utaipan/witness.graphml [2019-12-07 20:00:50,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:00:50,820 INFO L168 Benchmark]: Toolchain (without parser) took 4768.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 786.2 MB in the end (delta: 160.8 MB). Peak memory consumption was 271.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:00:50,820 INFO L168 Benchmark]: CDTParser took 0.18 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 20:00:50,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:00:50,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.49 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 20:00:50,821 INFO L168 Benchmark]: Boogie Preprocessor took 28.19 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 20:00:50,821 INFO L168 Benchmark]: RCFGBuilder took 514.62 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: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:00:50,822 INFO L168 Benchmark]: TraceAbstraction took 3763.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 799.8 MB in the end (delta: 207.4 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:00:50,822 INFO L168 Benchmark]: Witness Printer took 58.57 ms. Allocated memory is still 1.1 GB. Free memory was 799.8 MB in the beginning and 786.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:00:50,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 358.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.49 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. * Boogie Preprocessor took 28.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 514.62 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: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3763.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 799.8 MB in the end (delta: 207.4 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. * Witness Printer took 58.57 ms. Allocated memory is still 1.1 GB. Free memory was 799.8 MB in the beginning and 786.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 506]: 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; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L735] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L811] int retValue_acc ; [L812] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] tmp = valid_product() [L820] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L514] int splverifierCounter ; [L515] int tmp ; [L516] int tmp___0 ; [L517] int tmp___1 ; [L518] int tmp___2 ; [L521] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] tmp = __VERIFIER_nondet_int() [L533] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L541] tmp___0 = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] tmp___2 = __VERIFIER_nondet_int() [L553] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L590] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND TRUE \read(systemActive) [L619] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L622] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] int tmp ; [L871] int tmp___0 ; [L872] int tmp___1 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L882] tmp___0 = getWaterLevel() [L884] COND TRUE tmp___0 == 2 [L671] int retValue_acc ; [L674] retValue_acc = pumpRunning [L675] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L886] tmp___1 = isPumpRunning() [L888] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] __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, 81 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 283 SDtfs, 655 SDslu, 483 SDs, 0 SdLazy, 109 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 227 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 6 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...