./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 eac2167e56762050a6cde7d8ccfbf36c5d226056 ...................................................................................................................................... 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_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 eac2167e56762050a6cde7d8ccfbf36c5d226056 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:52:08,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:52:08,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:52:08,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:52:08,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:52:08,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:52:08,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:52:08,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:52:08,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:52:08,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:52:08,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:52:08,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:52:08,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:52:08,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:52:08,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:52:08,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:52:08,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:52:08,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:52:08,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:52:08,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:52:08,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:52:08,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:52:08,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:52:08,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:52:08,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:52:08,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:52:08,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:52:08,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:52:08,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:52:08,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:52:08,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:52:08,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:52:08,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:52:08,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:52:08,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:52:08,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:52:08,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:52:08,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:52:08,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:52:08,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:52:08,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:52:08,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:52:08,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:52:08,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:52:08,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:52:08,697 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:52:08,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:52:08,698 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:52:08,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:52:08,698 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:52:08,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:52:08,698 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:52:08,699 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:52:08,699 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:52:08,699 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:52:08,699 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:52:08,699 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:52:08,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:52:08,700 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:52:08,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:52:08,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:52:08,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:52:08,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:52:08,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:52:08,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:52:08,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:52:08,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:52:08,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:52:08,702 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:52:08,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:52:08,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:52:08,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:52:08,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:52:08,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:52:08,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:52:08,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:52:08,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:52:08,703 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:52:08,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:52:08,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:52:08,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:52:08,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:52:08,704 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_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 -> eac2167e56762050a6cde7d8ccfbf36c5d226056 [2019-12-07 10:52:08,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:52:08,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:52:08,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:52:08,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:52:08,815 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:52:08,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2019-12-07 10:52:08,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/9f660e5b3/7113837f6f8948d0b943c14aae5c8220/FLAG6fe3ecf25 [2019-12-07 10:52:09,300 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:52:09,300 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2019-12-07 10:52:09,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/9f660e5b3/7113837f6f8948d0b943c14aae5c8220/FLAG6fe3ecf25 [2019-12-07 10:52:09,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/9f660e5b3/7113837f6f8948d0b943c14aae5c8220 [2019-12-07 10:52:09,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:52:09,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:52:09,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:52:09,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:52:09,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:52:09,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:52:09" (1/1) ... [2019-12-07 10:52:09,325 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 10:52:09, skipping insertion in model container [2019-12-07 10:52:09,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:52:09" (1/1) ... [2019-12-07 10:52:09,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:52:09,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:52:09,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:52:09,572 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 10:52:09,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6eab5f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:09, skipping insertion in model container [2019-12-07 10:52:09,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:52:09,573 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:52:09,574 INFO L168 Benchmark]: Toolchain (without parser) took 253.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:52:09,575 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:52:09,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:52:09,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 97]: 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 10:52:10,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:52:10,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:52:10,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:52:10,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:52:10,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:52:10,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:52:10,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:52:10,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:52:10,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:52:10,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:52:10,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:52:10,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:52:10,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:52:10,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:52:10,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:52:10,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:52:10,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:52:10,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:52:10,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:52:10,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:52:10,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:52:10,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:52:10,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:52:10,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:52:10,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:52:10,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:52:10,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:52:10,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:52:10,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:52:10,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:52:10,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:52:10,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:52:10,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:52:10,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:52:10,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:52:10,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:52:10,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:52:10,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:52:10,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:52:10,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:52:10,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:52:10,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:52:10,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:52:10,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:52:10,746 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:52:10,746 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:52:10,746 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:52:10,747 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:52:10,747 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:52:10,747 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:52:10,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:52:10,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:52:10,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:52:10,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:52:10,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:52:10,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:52:10,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:52:10,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:52:10,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:52:10,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:52:10,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:52:10,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:52:10,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:52:10,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:52:10,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:52:10,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:52:10,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:52:10,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:52:10,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:52:10,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:52:10,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:52:10,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:52:10,752 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:52:10,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:52:10,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:52:10,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:52:10,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:52:10,752 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_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 -> eac2167e56762050a6cde7d8ccfbf36c5d226056 [2019-12-07 10:52:10,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:52:10,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:52:10,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:52:10,928 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:52:10,928 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:52:10,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2019-12-07 10:52:10,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/e71cab67e/a1d7bf5252834afa821cb053a26d04a3/FLAG71c40b37b [2019-12-07 10:52:11,437 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:52:11,437 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2019-12-07 10:52:11,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/e71cab67e/a1d7bf5252834afa821cb053a26d04a3/FLAG71c40b37b [2019-12-07 10:52:11,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/data/e71cab67e/a1d7bf5252834afa821cb053a26d04a3 [2019-12-07 10:52:11,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:52:11,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:52:11,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:52:11,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:52:11,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:52:11,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11, skipping insertion in model container [2019-12-07 10:52:11,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:52:11,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:52:11,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:52:11,713 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:52:11,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:52:11,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:52:11,761 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:52:11,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:52:11,817 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:52:11,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11 WrapperNode [2019-12-07 10:52:11,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:52:11,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:52:11,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:52:11,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:52:11,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:52:11,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:52:11,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:52:11,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:52:11,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... [2019-12-07 10:52:11,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:52:11,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:52:11,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:52:11,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:52:11,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 10:52:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:52:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:52:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:52:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:52:12,338 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:52:12,338 INFO L287 CfgBuilder]: Removed 68 assume(true) statements. [2019-12-07 10:52:12,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:52:12 BoogieIcfgContainer [2019-12-07 10:52:12,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:52:12,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:52:12,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:52:12,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:52:12,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:52:11" (1/3) ... [2019-12-07 10:52:12,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4699a76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:52:12, skipping insertion in model container [2019-12-07 10:52:12,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:52:11" (2/3) ... [2019-12-07 10:52:12,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4699a76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:52:12, skipping insertion in model container [2019-12-07 10:52:12,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:52:12" (3/3) ... [2019-12-07 10:52:12,345 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2019-12-07 10:52:12,352 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:52:12,358 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:52:12,366 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:52:12,383 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:52:12,383 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:52:12,383 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:52:12,383 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:52:12,383 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:52:12,384 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:52:12,384 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:52:12,384 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:52:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-12-07 10:52:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:52:12,400 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:52:12,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:52:12,401 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:52:12,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:52:12,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2019-12-07 10:52:12,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:52:12,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133067565] [2019-12-07 10:52:12,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 10:52:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:52:12,541 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:52:12,545 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:52:12,555 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 10:52:12,555 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:52:12,558 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 10:52:12,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133067565] [2019-12-07 10:52:12,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:52:12,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:52:12,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266780289] [2019-12-07 10:52:12,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:52:12,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:52:12,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:52:12,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:52:12,573 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-12-07 10:52:12,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:52:12,589 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-12-07 10:52:12,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:52:12,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 10:52:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:52:12,597 INFO L225 Difference]: With dead ends: 108 [2019-12-07 10:52:12,597 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 10:52:12,599 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:52:12,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 10:52:12,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 10:52:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 10:52:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-12-07 10:52:12,625 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-12-07 10:52:12,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:52:12,625 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-12-07 10:52:12,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:52:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-12-07 10:52:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:52:12,626 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:52:12,626 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:52:12,827 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:52:12,827 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:52:12,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:52:12,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2019-12-07 10:52:12,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:52:12,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977548472] [2019-12-07 10:52:12,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 10:52:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:52:13,009 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:52:13,011 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:52:13,025 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 10:52:13,025 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:52:13,033 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 10:52:13,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977548472] [2019-12-07 10:52:13,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:52:13,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:52:13,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108677842] [2019-12-07 10:52:13,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:52:13,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:52:13,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:52:13,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:52:13,036 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2019-12-07 10:52:13,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:52:13,044 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-12-07 10:52:13,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:52:13,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 10:52:13,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:52:13,046 INFO L225 Difference]: With dead ends: 53 [2019-12-07 10:52:13,046 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 10:52:13,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:52:13,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 10:52:13,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 10:52:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 10:52:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-12-07 10:52:13,050 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-12-07 10:52:13,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:52:13,050 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-12-07 10:52:13,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:52:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-12-07 10:52:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:52:13,051 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:52:13,051 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:52:13,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:52:13,252 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:52:13,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:52:13,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2019-12-07 10:52:13,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:52:13,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670843082] [2019-12-07 10:52:13,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 10:52:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:52:13,355 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:52:13,357 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:52:13,374 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 10:52:13,375 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:52:13,403 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 10:52:13,403 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670843082] [2019-12-07 10:52:13,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:52:13,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 10:52:13,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370018852] [2019-12-07 10:52:13,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:52:13,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:52:13,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:52:13,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:52:13,405 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2019-12-07 10:52:13,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:52:13,576 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2019-12-07 10:52:13,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 10:52:13,576 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 10:52:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:52:13,579 INFO L225 Difference]: With dead ends: 154 [2019-12-07 10:52:13,580 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 10:52:13,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 10:52:13,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 10:52:13,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2019-12-07 10:52:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 10:52:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2019-12-07 10:52:13,594 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2019-12-07 10:52:13,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:52:13,594 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2019-12-07 10:52:13,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:52:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2019-12-07 10:52:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 10:52:13,595 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:52:13,596 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:52:13,796 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:52:13,797 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:52:13,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:52:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2019-12-07 10:52:13,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:52:13,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375660544] [2019-12-07 10:52:13,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 10:52:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:52:13,937 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:52:13,938 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:52:13,944 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 10:52:13,944 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:52:13,947 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 10:52:13,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375660544] [2019-12-07 10:52:13,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:52:13,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:52:13,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306113591] [2019-12-07 10:52:13,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:52:13,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:52:13,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:52:13,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:52:13,950 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2019-12-07 10:52:13,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:52:13,960 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2019-12-07 10:52:13,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:52:13,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 10:52:13,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:52:13,962 INFO L225 Difference]: With dead ends: 95 [2019-12-07 10:52:13,962 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 10:52:13,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:52:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 10:52:13,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 10:52:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 10:52:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2019-12-07 10:52:13,972 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2019-12-07 10:52:13,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:52:13,972 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2019-12-07 10:52:13,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:52:13,973 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-12-07 10:52:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 10:52:13,974 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:52:13,974 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:52:14,175 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:52:14,176 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:52:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:52:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2019-12-07 10:52:14,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:52:14,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173528225] [2019-12-07 10:52:14,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/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 10:52:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:52:14,315 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:52:14,316 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:52:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:52:14,328 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:52:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:52:14,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173528225] [2019-12-07 10:52:14,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1331497393] [2019-12-07 10:52:14,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:52:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:52:14,441 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:52:14,442 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:52:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 10:52:14,468 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:52:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 10:52:14,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:52:14,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 10:52:14,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285340457] [2019-12-07 10:52:14,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:52:14,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:52:14,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:52:14,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:52:14,474 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2019-12-07 10:52:14,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:52:14,541 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-12-07 10:52:14,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:52:14,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 10:52:14,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:52:14,542 INFO L225 Difference]: With dead ends: 111 [2019-12-07 10:52:14,542 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:52:14,543 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:52:14,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:52:14,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:52:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:52:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:52:14,544 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 10:52:14,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:52:14,544 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:52:14,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:52:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:52:14,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:52:14,945 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2019-12-07 10:52:14,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:52:15,150 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-12-07 10:52:15,150 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:52:15,150 INFO L242 CegarLoopResult]: At program point L829(lines 824 832) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,150 INFO L242 CegarLoopResult]: At program point L829-1(lines 824 832) the Hoare annotation is: false [2019-12-07 10:52:15,150 INFO L242 CegarLoopResult]: At program point L829-2(lines 824 832) the Hoare annotation is: false [2019-12-07 10:52:15,150 INFO L246 CegarLoopResult]: For program point L698(lines 697 744) no Hoare annotation was computed. [2019-12-07 10:52:15,150 INFO L242 CegarLoopResult]: At program point L864(lines 859 867) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:52:15,150 INFO L246 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L249 CegarLoopResult]: At program point L534-1(lines 534 541) the Hoare annotation is: true [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L242 CegarLoopResult]: At program point L568(lines 568 574) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,151 INFO L242 CegarLoopResult]: At program point L568-1(lines 568 574) the Hoare annotation is: false [2019-12-07 10:52:15,151 INFO L242 CegarLoopResult]: At program point L568-2(lines 568 574) the Hoare annotation is: false [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L242 CegarLoopResult]: At program point L717-1(lines 717 723) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L246 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-12-07 10:52:15,151 INFO L242 CegarLoopResult]: At program point L735-2(lines 561 567) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point L439-2(line 439) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L242 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2019-12-07 10:52:15,152 INFO L242 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,152 INFO L242 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2019-12-07 10:52:15,152 INFO L242 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L242 CegarLoopResult]: At program point L507(lines 503 509) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L246 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2019-12-07 10:52:15,152 INFO L242 CegarLoopResult]: At program point L707-1(lines 707 713) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,153 INFO L242 CegarLoopResult]: At program point L856(lines 1 867) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L460-1(lines 561 567) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L249 CegarLoopResult]: At program point L543(lines 524 546) the Hoare annotation is: true [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L242 CegarLoopResult]: At program point L561(lines 560 579) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L242 CegarLoopResult]: At program point L561-2(lines 560 579) the Hoare annotation is: false [2019-12-07 10:52:15,153 INFO L242 CegarLoopResult]: At program point L561-3(lines 560 579) the Hoare annotation is: false [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L727(lines 727 740) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L760-3(lines 760 764) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L760-6(lines 760 764) no Hoare annotation was computed. [2019-12-07 10:52:15,153 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 10:52:15,154 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 867) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:52:15,154 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 10:52:15,154 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 867) the Hoare annotation is: false [2019-12-07 10:52:15,154 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 10:52:15,154 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 867) the Hoare annotation is: false [2019-12-07 10:52:15,154 INFO L242 CegarLoopResult]: At program point L745(lines 696 746) the Hoare annotation is: false [2019-12-07 10:52:15,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:52:15 BoogieIcfgContainer [2019-12-07 10:52:15,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:52:15,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:52:15,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:52:15,166 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:52:15,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:52:12" (3/4) ... [2019-12-07 10:52:15,168 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:52:15,177 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:52:15,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:52:15,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:52:15,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:52:15,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:52:15,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:52:15,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:52:15,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 10:52:15,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f5b5bc52-c9c0-4f61-b72c-e93e9cadce65/bin/utaipan/witness.graphml [2019-12-07 10:52:15,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:52:15,224 INFO L168 Benchmark]: Toolchain (without parser) took 3765.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -229.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:52:15,224 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 10:52:15,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:52:15,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:52:15,225 INFO L168 Benchmark]: Boogie Preprocessor took 25.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:52:15,225 INFO L168 Benchmark]: RCFGBuilder took 457.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:52:15,225 INFO L168 Benchmark]: TraceAbstraction took 2825.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -157.2 MB). Peak memory consumption was 253.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:52:15,225 INFO L168 Benchmark]: Witness Printer took 57.37 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 10:52:15,227 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 358.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2825.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -157.2 MB). Peak memory consumption was 253.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.37 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: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 244 SDtfs, 404 SDslu, 309 SDs, 0 SdLazy, 78 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 74 NumberOfFragments, 100 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1744 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 19592 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1125 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...