./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ...................................................................................................................................... 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_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:56:10,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:56:10,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:56:10,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:56:10,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:56:10,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:56:10,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:56:10,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:56:10,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:56:10,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:56:10,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:56:10,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:56:10,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:56:10,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:56:10,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:56:10,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:56:10,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:56:10,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:56:10,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:56:10,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:56:10,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:56:10,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:56:10,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:56:10,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:56:10,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:56:10,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:56:10,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:56:10,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:56:10,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:56:10,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:56:10,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:56:10,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:56:10,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:56:10,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:56:10,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:56:10,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:56:10,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:56:10,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:56:10,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:56:10,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:56:10,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:56:10,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:56:10,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:56:10,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:56:10,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:56:10,550 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:56:10,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:56:10,550 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:56:10,550 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:56:10,550 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:56:10,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:56:10,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:56:10,551 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:56:10,551 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:56:10,551 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:56:10,551 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:56:10,551 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:56:10,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:56:10,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:56:10,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:56:10,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:56:10,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:56:10,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:56:10,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:56:10,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:56:10,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:56:10,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:56:10,555 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_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-12-07 19:56:10,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:56:10,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:56:10,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:56:10,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:56:10,674 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:56:10,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-12-07 19:56:10,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/ae882d8e6/d6cd561ac048489881e8e82f53f25f64/FLAG839538e4f [2019-12-07 19:56:11,149 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:56:11,150 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-12-07 19:56:11,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/ae882d8e6/d6cd561ac048489881e8e82f53f25f64/FLAG839538e4f [2019-12-07 19:56:11,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/ae882d8e6/d6cd561ac048489881e8e82f53f25f64 [2019-12-07 19:56:11,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:56:11,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:56:11,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:56:11,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:56:11,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:56:11,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:56:11" (1/1) ... [2019-12-07 19:56:11,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:11, skipping insertion in model container [2019-12-07 19:56:11,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:56:11" (1/1) ... [2019-12-07 19:56:11,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:56:11,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:56:11,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:56:11,424 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 19:56:11,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1425617c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:11, skipping insertion in model container [2019-12-07 19:56:11,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:56:11,425 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:56:11,426 INFO L168 Benchmark]: Toolchain (without parser) took 256.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:11,427 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:56:11,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:11,429 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 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 77]: 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 19:56:12,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:56:12,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:56:12,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:56:12,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:56:12,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:56:12,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:56:12,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:56:12,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:56:12,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:56:12,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:56:12,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:56:12,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:56:12,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:56:12,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:56:12,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:56:12,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:56:12,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:56:12,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:56:12,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:56:12,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:56:12,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:56:12,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:56:12,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:56:12,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:56:12,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:56:12,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:56:12,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:56:12,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:56:12,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:56:12,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:56:12,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:56:12,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:56:12,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:56:12,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:56:12,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:56:12,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:56:12,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:56:12,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:56:12,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:56:12,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:56:12,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:56:12,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:56:12,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:56:12,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:56:12,585 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:56:12,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:56:12,586 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:56:12,586 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:56:12,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:56:12,586 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:56:12,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:56:12,587 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:56:12,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:56:12,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:56:12,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:56:12,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:56:12,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:56:12,588 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:56:12,588 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:56:12,588 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:56:12,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:56:12,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:56:12,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:56:12,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:56:12,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:56:12,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:56:12,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:56:12,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:56:12,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:56:12,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:56:12,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:56:12,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:56:12,590 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:56:12,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:56:12,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:56:12,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:56:12,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:56:12,591 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_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-12-07 19:56:12,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:56:12,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:56:12,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:56:12,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:56:12,794 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:56:12,795 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-12-07 19:56:12,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/21d0d0092/f1e69006cca14c288c5c7ee0d807bed5/FLAGd6e847d72 [2019-12-07 19:56:13,221 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:56:13,222 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-12-07 19:56:13,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/21d0d0092/f1e69006cca14c288c5c7ee0d807bed5/FLAGd6e847d72 [2019-12-07 19:56:13,605 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/data/21d0d0092/f1e69006cca14c288c5c7ee0d807bed5 [2019-12-07 19:56:13,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:56:13,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:56:13,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:56:13,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:56:13,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:56:13,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:13,613 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 07:56:13, skipping insertion in model container [2019-12-07 19:56:13,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:13,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:56:13,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:56:13,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:56:13,865 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:56:13,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:56:13,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:56:13,920 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:56:13,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:56:13,986 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:56:13,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13 WrapperNode [2019-12-07 19:56:13,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:56:13,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:56:13,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:56:13,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:56:13,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:56:14,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:56:14,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:56:14,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:56:14,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... [2019-12-07 19:56:14,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:56:14,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:56:14,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:56:14,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:56:14,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 19:56:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:56:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:56:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:56:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:56:14,544 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:56:14,544 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 19:56:14,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:56:14 BoogieIcfgContainer [2019-12-07 19:56:14,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:56:14,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:56:14,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:56:14,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:56:14,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:56:13" (1/3) ... [2019-12-07 19:56:14,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4f0ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:56:14, skipping insertion in model container [2019-12-07 19:56:14,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:56:13" (2/3) ... [2019-12-07 19:56:14,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4f0ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:56:14, skipping insertion in model container [2019-12-07 19:56:14,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:56:14" (3/3) ... [2019-12-07 19:56:14,551 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-12-07 19:56:14,558 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:56:14,563 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:56:14,571 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:56:14,587 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:56:14,587 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:56:14,588 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:56:14,588 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:56:14,588 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:56:14,588 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:56:14,588 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:56:14,588 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:56:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 19:56:14,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 19:56:14,604 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:56:14,604 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:56:14,605 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:56:14,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:56:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-12-07 19:56:14,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:56:14,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235636992] [2019-12-07 19:56:14,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 19:56:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:14,782 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:56:14,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:14,796 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 19:56:14,796 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:14,800 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 19:56:14,800 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235636992] [2019-12-07 19:56:14,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:56:14,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:56:14,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692654679] [2019-12-07 19:56:14,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:56:14,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:56:14,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:56:14,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:56:14,815 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 19:56:14,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:56:14,833 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 19:56:14,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:56:14,834 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 19:56:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:56:14,842 INFO L225 Difference]: With dead ends: 148 [2019-12-07 19:56:14,842 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 19:56:14,845 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 19:56:14,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 19:56:14,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 19:56:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 19:56:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 19:56:14,875 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-12-07 19:56:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:56:14,875 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 19:56:14,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:56:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 19:56:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 19:56:14,876 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:56:14,876 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 19:56:15,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:56:15,077 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:56:15,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:56:15,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-12-07 19:56:15,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:56:15,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900260870] [2019-12-07 19:56:15,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 19:56:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:15,186 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:56:15,188 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:15,201 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 19:56:15,201 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:15,209 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 19:56:15,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900260870] [2019-12-07 19:56:15,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:56:15,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:56:15,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077088451] [2019-12-07 19:56:15,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:56:15,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:56:15,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:56:15,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:56:15,212 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 19:56:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:56:15,223 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 19:56:15,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:56:15,224 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 19:56:15,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:56:15,225 INFO L225 Difference]: With dead ends: 73 [2019-12-07 19:56:15,225 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 19:56:15,226 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 19:56:15,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 19:56:15,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 19:56:15,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 19:56:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 19:56:15,231 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-12-07 19:56:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:56:15,232 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 19:56:15,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:56:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 19:56:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 19:56:15,233 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:56:15,233 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 19:56:15,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:56:15,434 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:56:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:56:15,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-12-07 19:56:15,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:56:15,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100551934] [2019-12-07 19:56:15,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 19:56:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:15,552 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:56:15,554 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:15,562 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 19:56:15,562 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:15,570 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 19:56:15,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100551934] [2019-12-07 19:56:15,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:56:15,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:56:15,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669249202] [2019-12-07 19:56:15,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:56:15,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:56:15,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:56:15,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:56:15,573 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 19:56:15,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:56:15,621 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2019-12-07 19:56:15,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:56:15,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 19:56:15,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:56:15,623 INFO L225 Difference]: With dead ends: 116 [2019-12-07 19:56:15,623 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 19:56:15,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 19:56:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 19:56:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2019-12-07 19:56:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 19:56:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-12-07 19:56:15,634 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-12-07 19:56:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:56:15,635 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-12-07 19:56:15,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:56:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-12-07 19:56:15,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 19:56:15,636 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:56:15,636 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 19:56:15,837 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:56:15,837 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:56:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:56:15,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-12-07 19:56:15,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:56:15,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817378100] [2019-12-07 19:56:15,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 19:56:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:15,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:56:15,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:15,963 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 19:56:15,963 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:15,989 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 19:56:15,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817378100] [2019-12-07 19:56:15,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:56:15,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 19:56:15,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231614421] [2019-12-07 19:56:15,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:56:15,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:56:15,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:56:15,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:56:15,990 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2019-12-07 19:56:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:56:16,175 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2019-12-07 19:56:16,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 19:56:16,176 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 19:56:16,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:56:16,178 INFO L225 Difference]: With dead ends: 373 [2019-12-07 19:56:16,178 INFO L226 Difference]: Without dead ends: 325 [2019-12-07 19:56:16,179 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 19:56:16,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-12-07 19:56:16,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2019-12-07 19:56:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-12-07 19:56:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-12-07 19:56:16,198 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2019-12-07 19:56:16,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:56:16,198 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-12-07 19:56:16,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:56:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-12-07 19:56:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 19:56:16,199 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:56:16,199 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 19:56:16,400 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:56:16,400 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:56:16,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:56:16,401 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2019-12-07 19:56:16,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:56:16,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832955165] [2019-12-07 19:56:16,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/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 19:56:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:16,516 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:56:16,518 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:16,523 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 19:56:16,523 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:16,525 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 19:56:16,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832955165] [2019-12-07 19:56:16,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:56:16,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 19:56:16,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852540065] [2019-12-07 19:56:16,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:56:16,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:56:16,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:56:16,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:56:16,526 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2019-12-07 19:56:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:56:16,691 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2019-12-07 19:56:16,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:56:16,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 19:56:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:56:16,693 INFO L225 Difference]: With dead ends: 354 [2019-12-07 19:56:16,693 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 19:56:16,694 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 19:56:16,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 19:56:16,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2019-12-07 19:56:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-12-07 19:56:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2019-12-07 19:56:16,714 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2019-12-07 19:56:16,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:56:16,714 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2019-12-07 19:56:16,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:56:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2019-12-07 19:56:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 19:56:16,716 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:56:16,716 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 19:56:16,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:56:16,917 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:56:16,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:56:16,918 INFO L82 PathProgramCache]: Analyzing trace with hash -2101366400, now seen corresponding path program 1 times [2019-12-07 19:56:16,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:56:16,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330020640] [2019-12-07 19:56:16,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 19:56:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:17,059 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:56:17,061 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:17,067 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 19:56:17,067 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:17,069 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 19:56:17,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330020640] [2019-12-07 19:56:17,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:56:17,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:56:17,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912685001] [2019-12-07 19:56:17,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:56:17,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:56:17,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:56:17,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:56:17,071 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand 3 states. [2019-12-07 19:56:17,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:56:17,087 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2019-12-07 19:56:17,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:56:17,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 19:56:17,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:56:17,089 INFO L225 Difference]: With dead ends: 331 [2019-12-07 19:56:17,089 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 19:56:17,090 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 19:56:17,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 19:56:17,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 19:56:17,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 19:56:17,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 19:56:17,098 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 19:56:17,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:56:17,098 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 19:56:17,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:56:17,098 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 19:56:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 19:56:17,099 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:56:17,099 INFO L410 BasicCegarLoop]: trace histogram [2, 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 19:56:17,300 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 19:56:17,300 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:56:17,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:56:17,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1392388941, now seen corresponding path program 1 times [2019-12-07 19:56:17,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:56:17,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866680764] [2019-12-07 19:56:17,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 19:56:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:17,415 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 19:56:17,417 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:56:17,432 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:56:17,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866680764] [2019-12-07 19:56:17,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [223201652] [2019-12-07 19:56:17,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 19:56:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:56:17,546 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:56:17,548 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:56:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 19:56:17,571 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:56:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 19:56:17,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 19:56:17,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 19:56:17,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241892633] [2019-12-07 19:56:17,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:56:17,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:56:17,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:56:17,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:56:17,574 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 19:56:17,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:56:17,653 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 19:56:17,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:56:17,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 19:56:17,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:56:17,654 INFO L225 Difference]: With dead ends: 235 [2019-12-07 19:56:17,654 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:56:17,655 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 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 19:56:17,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:56:17,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:56:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:56:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:56:17,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 19:56:17,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:56:17,655 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:56:17,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:56:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:56:17,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:56:18,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 19:56:18,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:56:18,273 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 19:56:18,273 INFO L242 CegarLoopResult]: At program point L498(lines 497 516) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,273 INFO L246 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2019-12-07 19:56:18,273 INFO L242 CegarLoopResult]: At program point L498-2(lines 497 516) the Hoare annotation is: false [2019-12-07 19:56:18,274 INFO L242 CegarLoopResult]: At program point L498-3(lines 497 516) the Hoare annotation is: false [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L242 CegarLoopResult]: At program point L664-1(lines 664 670) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L534-1(lines 534 542) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L242 CegarLoopResult]: At program point L468(lines 1 939) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L534-2(lines 534 542) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L716(lines 716 720) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L650-3(lines 650 654) no Hoare annotation was computed. [2019-12-07 19:56:18,274 INFO L246 CegarLoopResult]: For program point L650-5(lines 650 654) no Hoare annotation was computed. [2019-12-07 19:56:18,275 INFO L246 CegarLoopResult]: For program point L650-6(lines 650 654) no Hoare annotation was computed. [2019-12-07 19:56:18,275 INFO L246 CegarLoopResult]: For program point L650-8(lines 650 654) no Hoare annotation was computed. [2019-12-07 19:56:18,275 INFO L242 CegarLoopResult]: At program point L601(lines 596 604) 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 19:56:18,275 INFO L242 CegarLoopResult]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2019-12-07 19:56:18,275 INFO L242 CegarLoopResult]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2019-12-07 19:56:18,275 INFO L242 CegarLoopResult]: At program point L932(lines 881 933) the Hoare annotation is: false [2019-12-07 19:56:18,275 INFO L246 CegarLoopResult]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-12-07 19:56:18,275 INFO L249 CegarLoopResult]: At program point L867(lines 848 870) the Hoare annotation is: true [2019-12-07 19:56:18,275 INFO L242 CegarLoopResult]: At program point L834(lines 830 836) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:56:18,275 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:56:18,275 INFO L246 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2019-12-07 19:56:18,275 INFO L242 CegarLoopResult]: At program point L505(lines 505 511) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,275 INFO L242 CegarLoopResult]: At program point L505-1(lines 505 511) the Hoare annotation is: false [2019-12-07 19:56:18,275 INFO L242 CegarLoopResult]: At program point L505-2(lines 505 511) the Hoare annotation is: false [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L242 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L242 CegarLoopResult]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,276 INFO L242 CegarLoopResult]: At program point L770(lines 765 773) the Hoare annotation is: false [2019-12-07 19:56:18,276 INFO L242 CegarLoopResult]: At program point L770-1(lines 765 773) the Hoare annotation is: false [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L242 CegarLoopResult]: At program point L770-2(lines 765 773) the Hoare annotation is: false [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:56:18,276 INFO L246 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-12-07 19:56:18,277 INFO L242 CegarLoopResult]: At program point L920-1(lines 498 504) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,277 INFO L242 CegarLoopResult]: At program point L656(lines 641 659) the Hoare annotation is: false [2019-12-07 19:56:18,277 INFO L242 CegarLoopResult]: At program point L656-1(lines 641 659) the Hoare annotation is: false [2019-12-07 19:56:18,277 INFO L242 CegarLoopResult]: At program point L656-2(lines 641 659) the Hoare annotation is: false [2019-12-07 19:56:18,277 INFO L246 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-12-07 19:56:18,277 INFO L242 CegarLoopResult]: At program point L425-1(lines 1 939) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,277 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-12-07 19:56:18,277 INFO L242 CegarLoopResult]: At program point L425-3(lines 1 939) the Hoare annotation is: false [2019-12-07 19:56:18,277 INFO L246 CegarLoopResult]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-12-07 19:56:18,277 INFO L242 CegarLoopResult]: At program point L425-5(lines 1 939) the Hoare annotation is: false [2019-12-07 19:56:18,278 INFO L242 CegarLoopResult]: At program point L476(lines 471 479) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point L790-1(lines 498 504) no Hoare annotation was computed. [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point L692-3(lines 692 696) no Hoare annotation was computed. [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point L692-6(lines 692 696) no Hoare annotation was computed. [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-12-07 19:56:18,278 INFO L249 CegarLoopResult]: At program point L858-1(lines 858 865) the Hoare annotation is: true [2019-12-07 19:56:18,278 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 19:56:18,279 INFO L246 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-12-07 19:56:18,279 INFO L246 CegarLoopResult]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-12-07 19:56:18,279 INFO L246 CegarLoopResult]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-12-07 19:56:18,279 INFO L246 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-12-07 19:56:18,279 INFO L242 CegarLoopResult]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,279 INFO L242 CegarLoopResult]: At program point L761(lines 756 764) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:56:18,279 INFO L242 CegarLoopResult]: At program point L761-1(lines 756 764) the Hoare annotation is: false [2019-12-07 19:56:18,279 INFO L242 CegarLoopResult]: At program point L761-2(lines 756 764) the Hoare annotation is: false [2019-12-07 19:56:18,279 INFO L246 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-12-07 19:56:18,279 INFO L246 CegarLoopResult]: For program point L530-1(lines 530 547) no Hoare annotation was computed. [2019-12-07 19:56:18,279 INFO L246 CegarLoopResult]: For program point L530-2(lines 530 547) no Hoare annotation was computed. [2019-12-07 19:56:18,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:56:18 BoogieIcfgContainer [2019-12-07 19:56:18,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:56:18,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:56:18,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:56:18,293 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:56:18,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:56:14" (3/4) ... [2019-12-07 19:56:18,296 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:56:18,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 19:56:18,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 19:56:18,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 19:56:18,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:56:18,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:56:18,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:56:18,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:56:18,333 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 19:56:18,361 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_923d0454-65f1-4a35-9fe9-4c0b21af67d4/bin/utaipan/witness.graphml [2019-12-07 19:56:18,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:56:18,362 INFO L168 Benchmark]: Toolchain (without parser) took 4753.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -97.1 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:18,362 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 19:56:18,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:18,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.27 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:18,363 INFO L168 Benchmark]: Boogie Preprocessor took 33.21 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 19:56:18,363 INFO L168 Benchmark]: RCFGBuilder took 482.93 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: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:18,363 INFO L168 Benchmark]: TraceAbstraction took 3746.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -7.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:18,363 INFO L168 Benchmark]: Witness Printer took 67.77 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:56:18,365 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 377.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.27 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 482.93 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: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3746.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -7.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.77 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 429 SDtfs, 769 SDslu, 545 SDs, 0 SdLazy, 122 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, 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, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 23144 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1503 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...