./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 5a35b365de7365eb1088366c2b8165f4a523d787 ...................................................................................................................................... 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_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 5a35b365de7365eb1088366c2b8165f4a523d787 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:07:25,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:07:25,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:07:25,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:07:25,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:07:25,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:07:25,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:07:25,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:07:25,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:07:25,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:07:25,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:07:25,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:07:25,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:07:25,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:07:25,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:07:25,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:07:25,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:07:25,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:07:25,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:07:25,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:07:25,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:07:25,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:07:25,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:07:25,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:07:25,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:07:25,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:07:25,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:07:25,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:07:25,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:07:25,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:07:25,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:07:25,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:07:25,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:07:25,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:07:25,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:07:25,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:07:25,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:07:25,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:07:25,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:07:25,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:07:25,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:07:25,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:07:25,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:07:25,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:07:25,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:07:25,483 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:07:25,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:07:25,484 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:07:25,484 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:07:25,484 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:07:25,484 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:07:25,484 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:07:25,484 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:07:25,484 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:07:25,485 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:07:25,485 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:07:25,485 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:07:25,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:07:25,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:07:25,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:07:25,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:07:25,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:07:25,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:07:25,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:07:25,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:07:25,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:07:25,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:07:25,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:07:25,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:07:25,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:07:25,488 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:07:25,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:07:25,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:07:25,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:07:25,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:07:25,488 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_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2019-12-07 21:07:25,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:07:25,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:07:25,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:07:25,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:07:25,599 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:07:25,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-12-07 21:07:25,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/79fdaf187/cca0e4d94ce04f3388c47f162b12f587/FLAG820405f89 [2019-12-07 21:07:26,095 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:07:26,096 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-12-07 21:07:26,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/79fdaf187/cca0e4d94ce04f3388c47f162b12f587/FLAG820405f89 [2019-12-07 21:07:26,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/79fdaf187/cca0e4d94ce04f3388c47f162b12f587 [2019-12-07 21:07:26,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:07:26,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:07:26,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:07:26,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:07:26,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:07:26,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:07:26" (1/1) ... [2019-12-07 21:07:26,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec2c2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:26, skipping insertion in model container [2019-12-07 21:07:26,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:07:26" (1/1) ... [2019-12-07 21:07:26,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:07:26,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:07:26,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:07:26,415 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 21:07:26,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c0d3f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:26, skipping insertion in model container [2019-12-07 21:07:26,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:07:26,416 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:07:26,418 INFO L168 Benchmark]: Toolchain (without parser) took 301.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:26,419 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:07:26,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:26,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 653]: 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 21:07:27,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:07:27,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:07:27,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:07:27,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:07:27,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:07:27,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:07:27,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:07:27,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:07:27,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:07:27,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:07:27,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:07:27,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:07:27,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:07:27,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:07:27,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:07:27,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:07:27,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:07:27,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:07:27,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:07:27,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:07:27,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:07:27,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:07:27,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:07:27,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:07:27,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:07:27,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:07:27,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:07:27,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:07:27,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:07:27,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:07:27,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:07:27,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:07:27,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:07:27,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:07:27,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:07:27,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:07:27,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:07:27,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:07:27,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:07:27,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:07:27,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:07:27,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:07:27,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:07:27,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:07:27,623 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:07:27,623 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:07:27,624 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:07:27,624 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:07:27,624 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:07:27,624 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:07:27,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:07:27,625 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:07:27,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:07:27,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:07:27,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:07:27,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:07:27,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:07:27,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:07:27,626 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:07:27,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:07:27,627 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:07:27,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:07:27,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:07:27,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:07:27,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:07:27,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:07:27,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:07:27,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:07:27,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:07:27,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:07:27,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:07:27,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:07:27,629 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:07:27,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:07:27,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:07:27,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:07:27,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:07:27,630 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_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2019-12-07 21:07:27,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:07:27,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:07:27,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:07:27,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:07:27,810 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:07:27,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-12-07 21:07:27,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/3a18a3a1b/c89dc56cc7d94014a11de2fb87845698/FLAGf6e2de1fa [2019-12-07 21:07:28,317 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:07:28,317 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-12-07 21:07:28,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/3a18a3a1b/c89dc56cc7d94014a11de2fb87845698/FLAGf6e2de1fa [2019-12-07 21:07:28,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/data/3a18a3a1b/c89dc56cc7d94014a11de2fb87845698 [2019-12-07 21:07:28,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:07:28,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:07:28,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:07:28,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:07:28,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:07:28,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:07:28" (1/1) ... [2019-12-07 21:07:28,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:28, skipping insertion in model container [2019-12-07 21:07:28,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:07:28" (1/1) ... [2019-12-07 21:07:28,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:07:28,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:07:29,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:07:29,106 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:07:29,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:07:29,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:07:29,159 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:07:29,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:07:29,239 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:07:29,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29 WrapperNode [2019-12-07 21:07:29,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:07:29,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:07:29,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:07:29,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:07:29,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:07:29,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:07:29,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:07:29,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:07:29,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... [2019-12-07 21:07:29,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:07:29,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:07:29,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:07:29,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:07:29,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 21:07:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:07:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:07:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:07:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:07:29,977 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:07:29,977 INFO L287 CfgBuilder]: Removed 196 assume(true) statements. [2019-12-07 21:07:29,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:07:29 BoogieIcfgContainer [2019-12-07 21:07:29,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:07:29,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:07:29,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:07:29,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:07:29,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:07:28" (1/3) ... [2019-12-07 21:07:29,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caf3219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:07:29, skipping insertion in model container [2019-12-07 21:07:29,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:07:29" (2/3) ... [2019-12-07 21:07:29,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caf3219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:07:29, skipping insertion in model container [2019-12-07 21:07:29,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:07:29" (3/3) ... [2019-12-07 21:07:29,986 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-12-07 21:07:29,996 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:07:30,002 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:07:30,010 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:07:30,028 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:07:30,028 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:07:30,028 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:07:30,028 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:07:30,028 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:07:30,028 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:07:30,028 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:07:30,028 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:07:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-12-07 21:07:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:07:30,046 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:30,046 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:07:30,047 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:30,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:30,051 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2019-12-07 21:07:30,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:30,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541731046] [2019-12-07 21:07:30,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 21:07:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:30,196 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:07:30,200 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:30,211 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 21:07:30,211 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:30,215 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 21:07:30,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541731046] [2019-12-07 21:07:30,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:30,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:07:30,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026181841] [2019-12-07 21:07:30,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:07:30,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:30,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:07:30,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:07:30,232 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-12-07 21:07:30,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:30,261 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-12-07 21:07:30,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:07:30,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 21:07:30,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:30,273 INFO L225 Difference]: With dead ends: 268 [2019-12-07 21:07:30,274 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 21:07:30,277 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 21:07:30,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 21:07:30,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-12-07 21:07:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-12-07 21:07:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-12-07 21:07:30,311 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-12-07 21:07:30,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:30,311 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-12-07 21:07:30,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:07:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-12-07 21:07:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 21:07:30,312 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:30,312 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 21:07:30,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:07:30,513 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:30,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:30,513 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2019-12-07 21:07:30,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:30,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306122019] [2019-12-07 21:07:30,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 21:07:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:30,644 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:07:30,646 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:30,660 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 21:07:30,661 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:30,671 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 21:07:30,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306122019] [2019-12-07 21:07:30,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:30,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:07:30,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125433587] [2019-12-07 21:07:30,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:07:30,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:30,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:07:30,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:07:30,675 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 4 states. [2019-12-07 21:07:30,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:30,690 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-12-07 21:07:30,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:07:30,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 21:07:30,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:30,692 INFO L225 Difference]: With dead ends: 133 [2019-12-07 21:07:30,692 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 21:07:30,694 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 21:07:30,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 21:07:30,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 21:07:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 21:07:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-12-07 21:07:30,700 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-12-07 21:07:30,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:30,700 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-12-07 21:07:30,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:07:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-12-07 21:07:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 21:07:30,701 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:30,702 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 21:07:30,902 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:07:30,903 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:30,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2019-12-07 21:07:30,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:30,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810289949] [2019-12-07 21:07:30,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 21:07:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:31,052 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:07:31,054 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:31,063 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 21:07:31,063 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:31,070 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 21:07:31,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810289949] [2019-12-07 21:07:31,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:31,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:07:31,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99836440] [2019-12-07 21:07:31,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:07:31,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:31,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:07:31,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:07:31,072 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 4 states. [2019-12-07 21:07:31,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:31,094 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-12-07 21:07:31,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:07:31,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 21:07:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:31,095 INFO L225 Difference]: With dead ends: 176 [2019-12-07 21:07:31,095 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 21:07:31,096 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 21:07:31,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 21:07:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-12-07 21:07:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 21:07:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-12-07 21:07:31,105 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-12-07 21:07:31,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:31,105 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-12-07 21:07:31,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:07:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-12-07 21:07:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:07:31,106 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:31,106 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 21:07:31,306 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:07:31,307 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:31,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:31,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2019-12-07 21:07:31,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:31,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127402474] [2019-12-07 21:07:31,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 21:07:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:31,443 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:07:31,444 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:31,450 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 21:07:31,450 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:31,453 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 21:07:31,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127402474] [2019-12-07 21:07:31,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:31,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:07:31,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338589271] [2019-12-07 21:07:31,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:07:31,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:31,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:07:31,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:07:31,455 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-12-07 21:07:31,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:31,511 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-12-07 21:07:31,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:07:31,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 21:07:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:31,513 INFO L225 Difference]: With dead ends: 163 [2019-12-07 21:07:31,513 INFO L226 Difference]: Without dead ends: 95 [2019-12-07 21:07:31,513 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 21:07:31,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-07 21:07:31,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-12-07 21:07:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-12-07 21:07:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-12-07 21:07:31,522 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-12-07 21:07:31,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:31,522 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-12-07 21:07:31,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:07:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-12-07 21:07:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 21:07:31,523 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:31,523 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:07:31,723 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:07:31,724 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:31,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:31,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2019-12-07 21:07:31,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:31,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784718771] [2019-12-07 21:07:31,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 21:07:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:31,860 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:07:31,862 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:31,875 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 21:07:31,875 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:31,897 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 21:07:31,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784718771] [2019-12-07 21:07:31,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:31,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 21:07:31,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889236368] [2019-12-07 21:07:31,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:07:31,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:31,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:07:31,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:07:31,899 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 8 states. [2019-12-07 21:07:32,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:32,162 INFO L93 Difference]: Finished difference Result 686 states and 999 transitions. [2019-12-07 21:07:32,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 21:07:32,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 21:07:32,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:32,167 INFO L225 Difference]: With dead ends: 686 [2019-12-07 21:07:32,167 INFO L226 Difference]: Without dead ends: 599 [2019-12-07 21:07:32,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 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 21:07:32,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-12-07 21:07:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 231. [2019-12-07 21:07:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-12-07 21:07:32,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2019-12-07 21:07:32,216 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2019-12-07 21:07:32,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:32,216 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2019-12-07 21:07:32,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:07:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2019-12-07 21:07:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 21:07:32,218 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:32,218 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:07:32,419 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:07:32,419 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:32,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:32,420 INFO L82 PathProgramCache]: Analyzing trace with hash 768826487, now seen corresponding path program 1 times [2019-12-07 21:07:32,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:32,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [486141668] [2019-12-07 21:07:32,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/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 21:07:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:32,594 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:07:32,595 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:07:32,605 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:07:32,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [486141668] [2019-12-07 21:07:32,625 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [606041778] [2019-12-07 21:07:32,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:07:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:32,714 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:07:32,716 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 21:07:32,738 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 21:07:32,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 21:07:32,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 21:07:32,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194297014] [2019-12-07 21:07:32,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:07:32,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:32,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:07:32,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:07:32,742 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 5 states. [2019-12-07 21:07:32,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:32,900 INFO L93 Difference]: Finished difference Result 555 states and 785 transitions. [2019-12-07 21:07:32,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 21:07:32,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-12-07 21:07:32,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:32,903 INFO L225 Difference]: With dead ends: 555 [2019-12-07 21:07:32,904 INFO L226 Difference]: Without dead ends: 553 [2019-12-07 21:07:32,904 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 21:07:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-12-07 21:07:32,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 231. [2019-12-07 21:07:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-12-07 21:07:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 320 transitions. [2019-12-07 21:07:32,920 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 320 transitions. Word has length 40 [2019-12-07 21:07:32,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:32,920 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 320 transitions. [2019-12-07 21:07:32,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:07:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 320 transitions. [2019-12-07 21:07:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 21:07:32,922 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:32,922 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:07:33,323 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:07:33,325 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:33,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:33,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1297400276, now seen corresponding path program 1 times [2019-12-07 21:07:33,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:33,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509557338] [2019-12-07 21:07:33,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 21:07:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:33,435 INFO L264 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:07:33,436 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:07:33,447 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:07:33,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509557338] [2019-12-07 21:07:33,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [172183614] [2019-12-07 21:07:33,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:07:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:33,568 INFO L264 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:07:33,569 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:07:33,579 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:07:33,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 21:07:33,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2019-12-07 21:07:33,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757493662] [2019-12-07 21:07:33,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:07:33,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:33,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:07:33,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:07:33,583 INFO L87 Difference]: Start difference. First operand 231 states and 320 transitions. Second operand 3 states. [2019-12-07 21:07:33,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:33,759 INFO L93 Difference]: Finished difference Result 462 states and 640 transitions. [2019-12-07 21:07:33,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:07:33,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-12-07 21:07:33,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:33,761 INFO L225 Difference]: With dead ends: 462 [2019-12-07 21:07:33,761 INFO L226 Difference]: Without dead ends: 173 [2019-12-07 21:07:33,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:07:33,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-12-07 21:07:33,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2019-12-07 21:07:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-12-07 21:07:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 233 transitions. [2019-12-07 21:07:33,770 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 233 transitions. Word has length 51 [2019-12-07 21:07:33,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:33,770 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 233 transitions. [2019-12-07 21:07:33,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:07:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 233 transitions. [2019-12-07 21:07:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 21:07:33,772 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:33,772 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:07:34,173 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:07:34,174 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:34,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:34,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1169821653, now seen corresponding path program 1 times [2019-12-07 21:07:34,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:34,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929202674] [2019-12-07 21:07:34,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 21:07:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:34,279 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:07:34,281 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:07:34,292 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:07:34,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929202674] [2019-12-07 21:07:34,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:34,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:07:34,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977918027] [2019-12-07 21:07:34,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:07:34,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:34,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:07:34,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:07:34,296 INFO L87 Difference]: Start difference. First operand 173 states and 233 transitions. Second operand 5 states. [2019-12-07 21:07:34,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:34,355 INFO L93 Difference]: Finished difference Result 462 states and 615 transitions. [2019-12-07 21:07:34,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:07:34,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-12-07 21:07:34,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:34,357 INFO L225 Difference]: With dead ends: 462 [2019-12-07 21:07:34,357 INFO L226 Difference]: Without dead ends: 295 [2019-12-07 21:07:34,358 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:07:34,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2019-12-07 21:07:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2019-12-07 21:07:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-07 21:07:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2019-12-07 21:07:34,373 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 54 [2019-12-07 21:07:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:34,374 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2019-12-07 21:07:34,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:07:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2019-12-07 21:07:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 21:07:34,375 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:34,375 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:07:34,575 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 21:07:34,576 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:34,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1074161645, now seen corresponding path program 1 times [2019-12-07 21:07:34,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:34,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617602156] [2019-12-07 21:07:34,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 21:07:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:34,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:07:34,722 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:07:34,731 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:07:34,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617602156] [2019-12-07 21:07:34,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:34,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 21:07:34,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948476482] [2019-12-07 21:07:34,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:07:34,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:34,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:07:34,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:07:34,743 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand 6 states. [2019-12-07 21:07:34,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:34,782 INFO L93 Difference]: Finished difference Result 426 states and 559 transitions. [2019-12-07 21:07:34,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:07:34,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-07 21:07:34,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:34,783 INFO L225 Difference]: With dead ends: 426 [2019-12-07 21:07:34,784 INFO L226 Difference]: Without dead ends: 244 [2019-12-07 21:07:34,784 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:07:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-12-07 21:07:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2019-12-07 21:07:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 21:07:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 204 transitions. [2019-12-07 21:07:34,793 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 204 transitions. Word has length 54 [2019-12-07 21:07:34,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:34,793 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 204 transitions. [2019-12-07 21:07:34,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:07:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 204 transitions. [2019-12-07 21:07:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 21:07:34,793 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:34,794 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:07:34,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 21:07:34,995 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:34,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:34,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2019-12-07 21:07:34,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:34,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827550320] [2019-12-07 21:07:34,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 21:07:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:35,173 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:07:35,175 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:07:35,199 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:35,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:07:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:07:35,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827550320] [2019-12-07 21:07:35,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [738451401] [2019-12-07 21:07:35,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:07:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:35,319 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 21:07:35,320 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:07:35,348 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:07:35,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643077883] [2019-12-07 21:07:35,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 21:07:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:35,467 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:07:35,468 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:07:35,476 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:07:35,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 21:07:35,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2019-12-07 21:07:35,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4713436] [2019-12-07 21:07:35,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 21:07:35,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:35,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 21:07:35,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 21:07:35,484 INFO L87 Difference]: Start difference. First operand 158 states and 204 transitions. Second operand 12 states. [2019-12-07 21:07:37,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:37,069 INFO L93 Difference]: Finished difference Result 1916 states and 2527 transitions. [2019-12-07 21:07:37,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-12-07 21:07:37,069 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2019-12-07 21:07:37,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:37,076 INFO L225 Difference]: With dead ends: 1916 [2019-12-07 21:07:37,076 INFO L226 Difference]: Without dead ends: 1788 [2019-12-07 21:07:37,078 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 310 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2006 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2019-12-07 21:07:37,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2019-12-07 21:07:37,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 283. [2019-12-07 21:07:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-12-07 21:07:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 370 transitions. [2019-12-07 21:07:37,104 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 370 transitions. Word has length 55 [2019-12-07 21:07:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:37,105 INFO L462 AbstractCegarLoop]: Abstraction has 283 states and 370 transitions. [2019-12-07 21:07:37,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 21:07:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 370 transitions. [2019-12-07 21:07:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-07 21:07:37,105 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:07:37,105 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:07:37,707 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 21:07:37,707 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:07:37,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:07:37,708 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2019-12-07 21:07:37,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:07:37,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903564862] [2019-12-07 21:07:37,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 21:07:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:07:37,836 INFO L264 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:07:37,837 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:07:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 21:07:37,855 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:07:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 21:07:37,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903564862] [2019-12-07 21:07:37,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:07:37,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 21:07:37,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346077339] [2019-12-07 21:07:37,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:07:37,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:07:37,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:07:37,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:07:37,879 INFO L87 Difference]: Start difference. First operand 283 states and 370 transitions. Second operand 8 states. [2019-12-07 21:07:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:07:37,922 INFO L93 Difference]: Finished difference Result 456 states and 585 transitions. [2019-12-07 21:07:37,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:07:37,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 76 [2019-12-07 21:07:37,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:07:37,923 INFO L225 Difference]: With dead ends: 456 [2019-12-07 21:07:37,923 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:07:37,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:07:37,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:07:37,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:07:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:07:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:07:37,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-12-07 21:07:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:07:37,925 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:07:37,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:07:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:07:37,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:07:38,126 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 21:07:38,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:07:38,252 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-12-07 21:07:38,410 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 130 [2019-12-07 21:07:38,978 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 15 [2019-12-07 21:07:39,327 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2019-12-07 21:07:40,071 WARN L192 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 34 [2019-12-07 21:07:40,771 WARN L192 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 28 [2019-12-07 21:07:41,568 WARN L192 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 28 [2019-12-07 21:07:41,711 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 15 [2019-12-07 21:07:42,733 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 128 DAG size of output: 28 [2019-12-07 21:07:43,453 WARN L192 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 28 [2019-12-07 21:07:43,960 WARN L192 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 31 [2019-12-07 21:07:44,269 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2019-12-07 21:07:44,542 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2019-12-07 21:07:44,636 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-12-07 21:07:44,636 INFO L246 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-12-07 21:07:44,636 INFO L246 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-12-07 21:07:44,636 INFO L246 CegarLoopResult]: For program point L432-1(lines 194 200) no Hoare annotation was computed. [2019-12-07 21:07:44,636 INFO L242 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (not .cse4)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32))) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3)))) [2019-12-07 21:07:44,636 INFO L242 CegarLoopResult]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2019-12-07 21:07:44,636 INFO L242 CegarLoopResult]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2019-12-07 21:07:44,636 INFO L246 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-12-07 21:07:44,637 INFO L249 CegarLoopResult]: At program point L499-1(lines 499 506) the Hoare annotation is: true [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L170(lines 121 171) the Hoare annotation is: false [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L601(lines 592 605) the Hoare annotation is: false [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L601-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2))) [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L601-2(lines 592 605) the Hoare annotation is: false [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L601-3(lines 592 605) the Hoare annotation is: false [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L601-4(lines 592 605) the Hoare annotation is: false [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L601-5(lines 592 605) the Hoare annotation is: false [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) 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 21:07:44,637 INFO L246 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-12-07 21:07:44,637 INFO L242 CegarLoopResult]: At program point L405-1(lines 405 411) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:07:44,637 INFO L246 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,637 INFO L246 CegarLoopResult]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,637 INFO L246 CegarLoopResult]: For program point L372-3(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-5(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-6(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-8(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-9(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-11(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-12(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-14(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-15(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L372-17(lines 372 376) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L246 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2019-12-07 21:07:44,638 INFO L242 CegarLoopResult]: At program point L142-1(lines 142 148) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3)))) [2019-12-07 21:07:44,638 INFO L249 CegarLoopResult]: At program point L508(lines 489 511) the Hoare annotation is: true [2019-12-07 21:07:44,638 INFO L242 CegarLoopResult]: At program point L476(lines 472 478) 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 21:07:44,638 INFO L246 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L378(lines 363 381) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L378-1(lines 363 381) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2))) [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L378-2(lines 363 381) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L378-3(lines 363 381) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L378-4(lines 363 381) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L378-5(lines 363 381) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L611(lines 606 614) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L314(lines 307 317) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L314-1(lines 307 317) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L314-2(lines 307 317) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L314-3(lines 307 317) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L314-4(lines 307 317) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L242 CegarLoopResult]: At program point L314-5(lines 307 317) the Hoare annotation is: false [2019-12-07 21:07:44,639 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L152(lines 152 165) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L252(lines 252 269) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L252-1(lines 252 269) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L252-2(lines 252 269) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L242 CegarLoopResult]: At program point L89-1(lines 1 989) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (not .cse1)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse3 .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 102) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L242 CegarLoopResult]: At program point L89-3(lines 1 989) the Hoare annotation is: false [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 102) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L242 CegarLoopResult]: At program point L89-5(lines 1 989) the Hoare annotation is: false [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L519-6(lines 519 523) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L123(lines 122 169) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:07:44,640 INFO L246 CegarLoopResult]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L256-1(lines 256 264) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L256-2(lines 256 264) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 295) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L289-8(lines 289 295) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L289-10(lines 289 295) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L620-2(line 620) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L242 CegarLoopResult]: At program point L323(lines 318 326) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:07:44,641 INFO L242 CegarLoopResult]: At program point L323-1(lines 318 326) the Hoare annotation is: false [2019-12-07 21:07:44,641 INFO L242 CegarLoopResult]: At program point L323-2(lines 318 326) the Hoare annotation is: false [2019-12-07 21:07:44,641 INFO L246 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-12-07 21:07:44,641 INFO L242 CegarLoopResult]: At program point L158-1(lines 194 200) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3)))) [2019-12-07 21:07:44,641 INFO L242 CegarLoopResult]: At program point L588(lines 583 591) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and .cse2 .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|))))) [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L588-1(lines 583 591) the Hoare annotation is: false [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L588-2(lines 583 591) the Hoare annotation is: false [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 99) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L556(lines 551 559) the Hoare annotation is: false [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L556-1(lines 551 559) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L556-2(lines 551 559) the Hoare annotation is: false [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L556-3(lines 551 559) the Hoare annotation is: false [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L556-4(lines 551 559) the Hoare annotation is: false [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L242 CegarLoopResult]: At program point L556-5(lines 551 559) the Hoare annotation is: false [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L391-3(lines 391 395) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L391-5(lines 391 395) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2019-12-07 21:07:44,642 INFO L246 CegarLoopResult]: For program point L391-6(lines 391 395) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L226-3(lines 226 243) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L391-8(lines 391 395) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L226-4(lines 226 243) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L226-5(lines 226 243) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L242 CegarLoopResult]: At program point L194(lines 193 212) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse1 .cse3 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2)))) [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L242 CegarLoopResult]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2019-12-07 21:07:44,643 INFO L242 CegarLoopResult]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2019-12-07 21:07:44,643 INFO L242 CegarLoopResult]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L230-3(lines 230 238) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L246 CegarLoopResult]: For program point L230-4(lines 230 238) no Hoare annotation was computed. [2019-12-07 21:07:44,643 INFO L242 CegarLoopResult]: At program point L65(lines 1 989) 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 21:07:44,643 INFO L246 CegarLoopResult]: For program point L230-5(lines 230 238) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L242 CegarLoopResult]: At program point L132-1(lines 132 138) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3)))) [2019-12-07 21:07:44,644 INFO L242 CegarLoopResult]: At program point L397(lines 382 400) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) [2019-12-07 21:07:44,644 INFO L242 CegarLoopResult]: At program point L397-1(lines 382 400) the Hoare annotation is: false [2019-12-07 21:07:44,644 INFO L242 CegarLoopResult]: At program point L397-2(lines 382 400) the Hoare annotation is: false [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L596-2(lines 596 602) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L596-3(lines 596 602) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L596-4(lines 596 602) no Hoare annotation was computed. [2019-12-07 21:07:44,644 INFO L246 CegarLoopResult]: For program point L596-5(lines 596 602) no Hoare annotation was computed. [2019-12-07 21:07:44,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:07:44 BoogieIcfgContainer [2019-12-07 21:07:44,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:07:44,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:07:44,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:07:44,665 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:07:44,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:07:29" (3/4) ... [2019-12-07 21:07:44,667 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:07:44,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:07:44,681 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:07:44,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:07:44,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:07:44,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:07:44,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:07:44,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:07:44,704 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,705 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,705 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,705 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,705 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 21:07:44,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 [2019-12-07 21:07:44,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:07:44,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(0bv32 == \result)) && \result == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 [2019-12-07 21:07:44,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((1bv32 == \result && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:07:44,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2ad9aed5-60d9-496f-80f1-84babc91ede7/bin/utaipan/witness.graphml [2019-12-07 21:07:44,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:07:44,774 INFO L168 Benchmark]: Toolchain (without parser) took 15938.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 352.3 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -245.6 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:44,774 INFO L168 Benchmark]: CDTParser took 0.17 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 21:07:44,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:44,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:44,775 INFO L168 Benchmark]: Boogie Preprocessor took 41.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:07:44,775 INFO L168 Benchmark]: RCFGBuilder took 636.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:44,775 INFO L168 Benchmark]: TraceAbstraction took 14684.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 999.1 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 455.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:44,775 INFO L168 Benchmark]: Witness Printer took 108.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:07:44,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 636.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14684.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 999.1 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 455.0 MB. Max. memory is 11.5 GB. * Witness Printer took 108.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: 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: 307]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: 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: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((1bv32 == \result && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(0bv32 == \result)) && \result == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, HoareTripleCheckerStatistics: 1384 SDtfs, 3665 SDslu, 3849 SDs, 0 SdLazy, 764 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1328 GetRequests, 1198 SyntacticMatches, 4 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 2443 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 155 NumberOfFragments, 699 HoareAnnotationTreeSize, 56 FomulaSimplifications, 70313 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 415038 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1240 ConstructedInterpolants, 0 QuantifiedInterpolants, 144715 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3162 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 282/350 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...