./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.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_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f ...................................................................................................................................... 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_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:23:41,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:23:41,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:23:41,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:23:41,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:23:41,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:23:41,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:23:41,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:23:41,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:23:41,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:23:41,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:23:41,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:23:41,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:23:41,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:23:41,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:23:41,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:23:41,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:23:41,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:23:41,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:23:41,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:23:41,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:23:41,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:23:41,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:23:41,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:23:41,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:23:41,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:23:41,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:23:41,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:23:41,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:23:41,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:23:41,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:23:41,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:23:41,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:23:41,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:23:41,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:23:41,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:23:41,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:23:41,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:23:41,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:23:41,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:23:41,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:23:41,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:23:41,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:23:41,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:23:41,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:23:41,452 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:23:41,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:23:41,452 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:23:41,452 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:23:41,452 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:23:41,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:23:41,452 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:23:41,452 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:23:41,453 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:23:41,453 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:23:41,453 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:23:41,453 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:23:41,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:23:41,453 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:23:41,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:23:41,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:23:41,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:23:41,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:23:41,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:23:41,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:23:41,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:23:41,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:23:41,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:23:41,456 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:23:41,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:23:41,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:23:41,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:23:41,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:23:41,456 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_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2019-12-07 14:23:41,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:23:41,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:23:41,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:23:41,572 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:23:41,572 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:23:41,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2019-12-07 14:23:41,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/67d725a55/61bb593ad7ce46bc84faa03663630591/FLAG7ee73bce1 [2019-12-07 14:23:42,119 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:23:42,120 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2019-12-07 14:23:42,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/67d725a55/61bb593ad7ce46bc84faa03663630591/FLAG7ee73bce1 [2019-12-07 14:23:42,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/67d725a55/61bb593ad7ce46bc84faa03663630591 [2019-12-07 14:23:42,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:23:42,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:23:42,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:42,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:23:42,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:23:42,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:42" (1/1) ... [2019-12-07 14:23:42,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e292d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:42, skipping insertion in model container [2019-12-07 14:23:42,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:42" (1/1) ... [2019-12-07 14:23:42,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:23:42,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:23:42,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:42,854 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 14:23:42,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f616a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:42, skipping insertion in model container [2019-12-07 14:23:42,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:42,855 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:23:42,857 INFO L168 Benchmark]: Toolchain (without parser) took 257.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:42,857 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:23:42,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:42,859 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 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 527]: 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 14:23:44,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:23:44,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:23:44,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:23:44,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:23:44,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:23:44,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:23:44,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:23:44,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:23:44,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:23:44,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:23:44,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:23:44,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:23:44,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:23:44,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:23:44,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:23:44,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:23:44,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:23:44,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:23:44,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:23:44,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:23:44,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:23:44,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:23:44,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:23:44,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:23:44,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:23:44,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:23:44,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:23:44,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:23:44,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:23:44,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:23:44,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:23:44,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:23:44,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:23:44,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:23:44,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:23:44,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:23:44,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:23:44,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:23:44,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:23:44,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:23:44,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:23:44,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:23:44,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:23:44,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:23:44,099 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:23:44,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:23:44,099 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:23:44,100 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:23:44,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:23:44,100 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:23:44,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:23:44,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:23:44,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:23:44,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:23:44,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:23:44,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:23:44,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:23:44,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:23:44,102 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:23:44,102 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:23:44,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:23:44,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:23:44,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:23:44,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:23:44,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:23:44,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:23:44,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:23:44,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:23:44,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:23:44,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:23:44,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:23:44,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:23:44,103 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:23:44,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:23:44,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:23:44,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:23:44,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:23:44,104 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_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2019-12-07 14:23:44,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:23:44,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:23:44,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:23:44,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:23:44,309 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:23:44,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2019-12-07 14:23:44,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/fd6d6cc62/3a053f235ae84314ad7e6d6631bc46c5/FLAGf963d667c [2019-12-07 14:23:44,842 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:23:44,843 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2019-12-07 14:23:44,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/fd6d6cc62/3a053f235ae84314ad7e6d6631bc46c5/FLAGf963d667c [2019-12-07 14:23:44,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/data/fd6d6cc62/3a053f235ae84314ad7e6d6631bc46c5 [2019-12-07 14:23:44,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:23:44,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:23:44,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:44,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:23:44,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:23:44,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:44" (1/1) ... [2019-12-07 14:23:44,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:44, skipping insertion in model container [2019-12-07 14:23:44,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:44" (1/1) ... [2019-12-07 14:23:44,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:23:44,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:23:45,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:45,133 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:23:45,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:23:45,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:45,193 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:23:45,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:45,252 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:23:45,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45 WrapperNode [2019-12-07 14:23:45,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:45,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:23:45,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:23:45,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:23:45,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:23:45,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:23:45,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:23:45,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:23:45,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... [2019-12-07 14:23:45,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:23:45,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:23:45,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:23:45,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:23:45,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:23:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:23:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:23:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:23:45,973 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:23:45,974 INFO L287 CfgBuilder]: Removed 196 assume(true) statements. [2019-12-07 14:23:45,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:23:45 BoogieIcfgContainer [2019-12-07 14:23:45,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:23:45,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:23:45,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:23:45,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:23:45,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:23:44" (1/3) ... [2019-12-07 14:23:45,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc690d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:23:45, skipping insertion in model container [2019-12-07 14:23:45,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:45" (2/3) ... [2019-12-07 14:23:45,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc690d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:23:45, skipping insertion in model container [2019-12-07 14:23:45,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:23:45" (3/3) ... [2019-12-07 14:23:45,982 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2019-12-07 14:23:45,991 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:23:45,998 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:23:46,008 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:23:46,029 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:23:46,029 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:23:46,029 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:23:46,029 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:23:46,029 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:23:46,029 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:23:46,029 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:23:46,029 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:23:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-12-07 14:23:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:23:46,048 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:46,049 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:46,049 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:46,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:46,053 INFO L82 PathProgramCache]: Analyzing trace with hash -330245923, now seen corresponding path program 1 times [2019-12-07 14:23:46,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:46,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951840836] [2019-12-07 14:23:46,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:46,182 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:23:46,187 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:46,198 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 14:23:46,198 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:46,202 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 14:23:46,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951840836] [2019-12-07 14:23:46,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:46,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:23:46,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739279642] [2019-12-07 14:23:46,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:23:46,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:46,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:23:46,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:23:46,217 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-12-07 14:23:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:46,240 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2019-12-07 14:23:46,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:23:46,241 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:23:46,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:46,250 INFO L225 Difference]: With dead ends: 256 [2019-12-07 14:23:46,250 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 14:23:46,252 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 14:23:46,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 14:23:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-12-07 14:23:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-12-07 14:23:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2019-12-07 14:23:46,285 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2019-12-07 14:23:46,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:46,285 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2019-12-07 14:23:46,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:23:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2019-12-07 14:23:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:23:46,286 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:46,286 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 14:23:46,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:23:46,488 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:46,489 INFO L82 PathProgramCache]: Analyzing trace with hash 450073546, now seen corresponding path program 1 times [2019-12-07 14:23:46,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:46,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059483528] [2019-12-07 14:23:46,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:46,641 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:46,643 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:46,658 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 14:23:46,658 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:46,666 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 14:23:46,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059483528] [2019-12-07 14:23:46,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:46,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:23:46,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615637345] [2019-12-07 14:23:46,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:23:46,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:46,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:23:46,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:23:46,669 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 4 states. [2019-12-07 14:23:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:46,681 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-12-07 14:23:46,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:23:46,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:23:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:46,682 INFO L225 Difference]: With dead ends: 127 [2019-12-07 14:23:46,682 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 14:23:46,683 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 14:23:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 14:23:46,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 14:23:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 14:23:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 14:23:46,688 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-12-07 14:23:46,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:46,688 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 14:23:46,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:23:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 14:23:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:23:46,689 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:46,689 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 14:23:46,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:23:46,891 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:46,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:46,892 INFO L82 PathProgramCache]: Analyzing trace with hash 445162074, now seen corresponding path program 1 times [2019-12-07 14:23:46,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:46,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119145177] [2019-12-07 14:23:46,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:47,023 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:47,025 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:47,032 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 14:23:47,033 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:47,039 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 14:23:47,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119145177] [2019-12-07 14:23:47,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:47,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:23:47,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670811294] [2019-12-07 14:23:47,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:23:47,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:47,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:23:47,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:23:47,041 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 4 states. [2019-12-07 14:23:47,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:47,058 INFO L93 Difference]: Finished difference Result 170 states and 250 transitions. [2019-12-07 14:23:47,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:23:47,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:23:47,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:47,060 INFO L225 Difference]: With dead ends: 170 [2019-12-07 14:23:47,060 INFO L226 Difference]: Without dead ends: 123 [2019-12-07 14:23:47,061 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 14:23:47,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-12-07 14:23:47,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 72. [2019-12-07 14:23:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 14:23:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2019-12-07 14:23:47,070 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 22 [2019-12-07 14:23:47,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:47,070 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2019-12-07 14:23:47,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:23:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2019-12-07 14:23:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:23:47,071 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:47,071 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 14:23:47,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:23:47,273 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:47,274 INFO L82 PathProgramCache]: Analyzing trace with hash 96758808, now seen corresponding path program 1 times [2019-12-07 14:23:47,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:47,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753002463] [2019-12-07 14:23:47,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:47,418 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:47,420 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:47,425 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 14:23:47,425 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:47,427 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 14:23:47,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753002463] [2019-12-07 14:23:47,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:47,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:23:47,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322027686] [2019-12-07 14:23:47,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:23:47,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:47,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:23:47,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:23:47,429 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand 3 states. [2019-12-07 14:23:47,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:47,485 INFO L93 Difference]: Finished difference Result 159 states and 234 transitions. [2019-12-07 14:23:47,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:23:47,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 14:23:47,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:47,487 INFO L225 Difference]: With dead ends: 159 [2019-12-07 14:23:47,487 INFO L226 Difference]: Without dead ends: 93 [2019-12-07 14:23:47,487 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 14:23:47,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-12-07 14:23:47,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-12-07 14:23:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-12-07 14:23:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2019-12-07 14:23:47,495 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 24 [2019-12-07 14:23:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:47,496 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2019-12-07 14:23:47,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:23:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2019-12-07 14:23:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 14:23:47,496 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:47,497 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 14:23:47,697 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:23:47,697 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:47,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:47,698 INFO L82 PathProgramCache]: Analyzing trace with hash -732744145, now seen corresponding path program 1 times [2019-12-07 14:23:47,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:47,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60982463] [2019-12-07 14:23:47,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:47,788 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:23:47,789 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:47,802 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 14:23:47,802 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:47,808 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 14:23:47,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60982463] [2019-12-07 14:23:47,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:47,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 14:23:47,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521005881] [2019-12-07 14:23:47,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:23:47,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:47,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:23:47,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:23:47,809 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand 5 states. [2019-12-07 14:23:47,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:47,920 INFO L93 Difference]: Finished difference Result 440 states and 638 transitions. [2019-12-07 14:23:47,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:23:47,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 14:23:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:47,923 INFO L225 Difference]: With dead ends: 440 [2019-12-07 14:23:47,923 INFO L226 Difference]: Without dead ends: 355 [2019-12-07 14:23:47,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:23:47,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-12-07 14:23:47,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 168. [2019-12-07 14:23:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-12-07 14:23:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 236 transitions. [2019-12-07 14:23:47,942 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 236 transitions. Word has length 25 [2019-12-07 14:23:47,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:47,942 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 236 transitions. [2019-12-07 14:23:47,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:23:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2019-12-07 14:23:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 14:23:47,943 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:47,943 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:48,144 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:23:48,145 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:48,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:48,146 INFO L82 PathProgramCache]: Analyzing trace with hash -936551239, now seen corresponding path program 1 times [2019-12-07 14:23:48,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:48,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068901355] [2019-12-07 14:23:48,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:48,418 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:23:48,420 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:48,431 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 14:23:48,431 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:48,433 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 14:23:48,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068901355] [2019-12-07 14:23:48,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:48,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:23:48,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458725249] [2019-12-07 14:23:48,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:23:48,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:48,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:23:48,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:23:48,434 INFO L87 Difference]: Start difference. First operand 168 states and 236 transitions. Second operand 5 states. [2019-12-07 14:23:48,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:48,570 INFO L93 Difference]: Finished difference Result 478 states and 675 transitions. [2019-12-07 14:23:48,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:23:48,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 14:23:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:48,573 INFO L225 Difference]: With dead ends: 478 [2019-12-07 14:23:48,573 INFO L226 Difference]: Without dead ends: 476 [2019-12-07 14:23:48,574 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:23:48,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-12-07 14:23:48,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 168. [2019-12-07 14:23:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-12-07 14:23:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 234 transitions. [2019-12-07 14:23:48,588 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 234 transitions. Word has length 26 [2019-12-07 14:23:48,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:48,589 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 234 transitions. [2019-12-07 14:23:48,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:23:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2019-12-07 14:23:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:23:48,590 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:48,590 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:48,790 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:23:48,792 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:48,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:48,792 INFO L82 PathProgramCache]: Analyzing trace with hash 9848911, now seen corresponding path program 1 times [2019-12-07 14:23:48,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:48,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746626582] [2019-12-07 14:23:48,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 14:23:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:48,973 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:48,974 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:48,981 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 14:23:48,981 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:48,988 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 14:23:48,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746626582] [2019-12-07 14:23:48,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:48,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:23:48,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834041513] [2019-12-07 14:23:48,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:23:48,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:48,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:23:48,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:23:48,990 INFO L87 Difference]: Start difference. First operand 168 states and 234 transitions. Second operand 4 states. [2019-12-07 14:23:49,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:49,059 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2019-12-07 14:23:49,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:23:49,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 14:23:49,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:49,062 INFO L225 Difference]: With dead ends: 624 [2019-12-07 14:23:49,062 INFO L226 Difference]: Without dead ends: 462 [2019-12-07 14:23:49,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 14:23:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-12-07 14:23:49,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 452. [2019-12-07 14:23:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-12-07 14:23:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 618 transitions. [2019-12-07 14:23:49,089 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 618 transitions. Word has length 34 [2019-12-07 14:23:49,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:49,089 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 618 transitions. [2019-12-07 14:23:49,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:23:49,089 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 618 transitions. [2019-12-07 14:23:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:23:49,091 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:49,091 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:49,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 14:23:49,293 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:49,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:49,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1289712589, now seen corresponding path program 1 times [2019-12-07 14:23:49,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:49,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485012663] [2019-12-07 14:23:49,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:49,464 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:23:49,465 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:49,487 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 14:23:49,487 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:49,489 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 14:23:49,489 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485012663] [2019-12-07 14:23:49,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:49,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:23:49,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593158223] [2019-12-07 14:23:49,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:23:49,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:49,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:23:49,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:23:49,491 INFO L87 Difference]: Start difference. First operand 452 states and 618 transitions. Second operand 5 states. [2019-12-07 14:23:49,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:49,576 INFO L93 Difference]: Finished difference Result 1370 states and 1852 transitions. [2019-12-07 14:23:49,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:23:49,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 14:23:49,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:49,580 INFO L225 Difference]: With dead ends: 1370 [2019-12-07 14:23:49,580 INFO L226 Difference]: Without dead ends: 924 [2019-12-07 14:23:49,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 14:23:49,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2019-12-07 14:23:49,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 482. [2019-12-07 14:23:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-12-07 14:23:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 648 transitions. [2019-12-07 14:23:49,614 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 648 transitions. Word has length 34 [2019-12-07 14:23:49,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:49,614 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 648 transitions. [2019-12-07 14:23:49,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:23:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 648 transitions. [2019-12-07 14:23:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:23:49,616 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:49,616 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:49,816 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 14:23:49,816 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:49,817 INFO L82 PathProgramCache]: Analyzing trace with hash 702906575, now seen corresponding path program 1 times [2019-12-07 14:23:49,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:49,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777507933] [2019-12-07 14:23:49,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 14:23:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:49,905 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:23:49,907 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:49,914 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 14:23:49,914 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:49,928 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 14:23:49,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777507933] [2019-12-07 14:23:49,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:49,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 14:23:49,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810055236] [2019-12-07 14:23:49,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:23:49,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:49,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:23:49,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:23:49,930 INFO L87 Difference]: Start difference. First operand 482 states and 648 transitions. Second operand 6 states. [2019-12-07 14:23:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:49,994 INFO L93 Difference]: Finished difference Result 1155 states and 1547 transitions. [2019-12-07 14:23:49,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:23:49,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 14:23:49,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:49,999 INFO L225 Difference]: With dead ends: 1155 [2019-12-07 14:23:49,999 INFO L226 Difference]: Without dead ends: 679 [2019-12-07 14:23:50,000 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 14:23:50,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2019-12-07 14:23:50,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 328. [2019-12-07 14:23:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-12-07 14:23:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 439 transitions. [2019-12-07 14:23:50,030 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 439 transitions. Word has length 34 [2019-12-07 14:23:50,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:50,030 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 439 transitions. [2019-12-07 14:23:50,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:23:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 439 transitions. [2019-12-07 14:23:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 14:23:50,031 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:50,031 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:50,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 14:23:50,232 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:50,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:50,232 INFO L82 PathProgramCache]: Analyzing trace with hash 939478607, now seen corresponding path program 1 times [2019-12-07 14:23:50,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:50,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121658031] [2019-12-07 14:23:50,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:50,332 INFO L264 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:23:50,334 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:50,356 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 14:23:50,356 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:50,388 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 14:23:50,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121658031] [2019-12-07 14:23:50,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:50,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 14:23:50,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897912325] [2019-12-07 14:23:50,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:23:50,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:50,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:23:50,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:23:50,390 INFO L87 Difference]: Start difference. First operand 328 states and 439 transitions. Second operand 10 states. [2019-12-07 14:23:50,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:50,940 INFO L93 Difference]: Finished difference Result 1604 states and 2116 transitions. [2019-12-07 14:23:50,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 14:23:50,940 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 14:23:50,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:50,947 INFO L225 Difference]: With dead ends: 1604 [2019-12-07 14:23:50,947 INFO L226 Difference]: Without dead ends: 1282 [2019-12-07 14:23:50,948 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2019-12-07 14:23:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-12-07 14:23:50,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 328. [2019-12-07 14:23:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-12-07 14:23:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 431 transitions. [2019-12-07 14:23:50,975 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 431 transitions. Word has length 35 [2019-12-07 14:23:50,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:50,975 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 431 transitions. [2019-12-07 14:23:50,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:23:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 431 transitions. [2019-12-07 14:23:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 14:23:50,976 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:50,976 INFO L410 BasicCegarLoop]: trace histogram [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, 1] [2019-12-07 14:23:51,176 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 14:23:51,177 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:51,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:51,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1267756066, now seen corresponding path program 1 times [2019-12-07 14:23:51,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:51,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841893221] [2019-12-07 14:23:51,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/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 14:23:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:51,313 INFO L264 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:23:51,314 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 14:23:51,333 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 14:23:51,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841893221] [2019-12-07 14:23:51,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:51,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 14:23:51,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033842091] [2019-12-07 14:23:51,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:23:51,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:51,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:23:51,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:23:51,360 INFO L87 Difference]: Start difference. First operand 328 states and 431 transitions. Second operand 10 states. [2019-12-07 14:23:51,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:51,789 INFO L93 Difference]: Finished difference Result 1276 states and 1671 transitions. [2019-12-07 14:23:51,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 14:23:51,790 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-12-07 14:23:51,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:51,790 INFO L225 Difference]: With dead ends: 1276 [2019-12-07 14:23:51,790 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:23:51,792 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2019-12-07 14:23:51,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:23:51,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:23:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:23:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:23:51,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-12-07 14:23:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:51,793 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:23:51,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:23:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:23:51,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:23:51,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 14:23:51,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:23:52,390 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 175 [2019-12-07 14:23:52,591 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 173 [2019-12-07 14:23:53,155 WARN L192 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 262 [2019-12-07 14:23:53,703 WARN L192 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 242 [2019-12-07 14:23:53,819 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2019-12-07 14:23:54,440 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 265 [2019-12-07 14:23:54,620 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 176 [2019-12-07 14:23:54,796 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 143 [2019-12-07 14:23:55,345 WARN L192 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 266 [2019-12-07 14:23:56,720 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2019-12-07 14:23:58,142 WARN L192 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 172 DAG size of output: 23 [2019-12-07 14:23:58,613 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 16 [2019-12-07 14:24:02,259 WARN L192 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 260 DAG size of output: 20 [2019-12-07 14:24:03,118 WARN L192 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2019-12-07 14:24:05,759 WARN L192 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 240 DAG size of output: 21 [2019-12-07 14:24:07,329 WARN L192 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2019-12-07 14:24:11,081 WARN L192 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 263 DAG size of output: 20 [2019-12-07 14:24:12,399 WARN L192 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2019-12-07 14:24:13,392 WARN L192 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 14 [2019-12-07 14:24:16,078 WARN L192 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 264 DAG size of output: 20 [2019-12-07 14:24:16,086 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-12-07 14:24:16,086 INFO L242 CegarLoopResult]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1) (and .cse0 .cse2 .cse1) (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse1))) [2019-12-07 14:24:16,086 INFO L242 CegarLoopResult]: At program point L235-1(lines 235 241) the Hoare annotation is: false [2019-12-07 14:24:16,086 INFO L242 CegarLoopResult]: At program point L235-2(lines 235 241) the Hoare annotation is: false [2019-12-07 14:24:16,086 INFO L242 CegarLoopResult]: At program point L103(lines 1 959) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:24:16,086 INFO L246 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2019-12-07 14:24:16,086 INFO L246 CegarLoopResult]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2019-12-07 14:24:16,086 INFO L246 CegarLoopResult]: For program point L205-2(lines 205 211) no Hoare annotation was computed. [2019-12-07 14:24:16,086 INFO L246 CegarLoopResult]: For program point L205-3(lines 205 211) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L205-4(lines 205 211) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L205-5(lines 205 211) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L73-2(line 73) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L140(lines 140 144) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-5(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-6(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-8(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-9(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-11(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-12(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-14(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,087 INFO L246 CegarLoopResult]: For program point L405-15(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,088 INFO L246 CegarLoopResult]: For program point L405-17(lines 405 409) no Hoare annotation was computed. [2019-12-07 14:24:16,088 INFO L246 CegarLoopResult]: For program point L472(lines 472 485) no Hoare annotation was computed. [2019-12-07 14:24:16,088 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L210(lines 201 214) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L210-1(lines 201 214) 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 ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L210-2(lines 201 214) the Hoare annotation is: false [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L111(lines 106 114) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L210-3(lines 201 214) the Hoare annotation is: false [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L210-4(lines 201 214) the Hoare annotation is: false [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L210-5(lines 201 214) the Hoare annotation is: false [2019-12-07 14:24:16,088 INFO L246 CegarLoopResult]: For program point L443(lines 442 489) no Hoare annotation was computed. [2019-12-07 14:24:16,088 INFO L246 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2019-12-07 14:24:16,088 INFO L242 CegarLoopResult]: At program point L411(lines 396 414) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L411-1(lines 396 414) 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 ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L411-2(lines 396 414) the Hoare annotation is: false [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L411-3(lines 396 414) the Hoare annotation is: false [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L411-4(lines 396 414) the Hoare annotation is: false [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L411-5(lines 396 414) the Hoare annotation is: false [2019-12-07 14:24:16,089 INFO L246 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L478-1(lines 228 234) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse2))) [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L347(lines 340 350) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L347-1(lines 340 350) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L347-2(lines 340 350) 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 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))))) [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L347-3(lines 340 350) the Hoare annotation is: false [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L347-4(lines 340 350) the Hoare annotation is: false [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L347-5(lines 340 350) the Hoare annotation is: false [2019-12-07 14:24:16,089 INFO L242 CegarLoopResult]: At program point L347-6(lines 340 350) the Hoare annotation is: false [2019-12-07 14:24:16,090 INFO L242 CegarLoopResult]: At program point L347-7(lines 340 350) the Hoare annotation is: false [2019-12-07 14:24:16,090 INFO L242 CegarLoopResult]: At program point L347-8(lines 340 350) the Hoare annotation is: false [2019-12-07 14:24:16,090 INFO L242 CegarLoopResult]: At program point L876-2(lines 876 890) the Hoare annotation is: false [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 959) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 .cse5 .cse2 .cse3))) [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 959) the Hoare annotation is: false [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 959) the Hoare annotation is: false [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L880-1(lines 228 234) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L286(lines 286 303) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L286-1(lines 286 303) no Hoare annotation was computed. [2019-12-07 14:24:16,090 INFO L246 CegarLoopResult]: For program point L286-2(lines 286 303) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L249 CegarLoopResult]: At program point L947-1(lines 947 954) the Hoare annotation is: true [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L242 CegarLoopResult]: At program point L452-1(lines 452 458) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 .cse5 .cse2 .cse3))) [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L242 CegarLoopResult]: At program point L419-1(lines 419 425) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L322-2(lines 322 328) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L322-4(lines 322 328) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L322-6(lines 322 328) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L322-8(lines 322 328) no Hoare annotation was computed. [2019-12-07 14:24:16,091 INFO L246 CegarLoopResult]: For program point L322-10(lines 322 328) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L242 CegarLoopResult]: At program point L356(lines 351 359) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:24:16,092 INFO L242 CegarLoopResult]: At program point L356-1(lines 351 359) the Hoare annotation is: false [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L242 CegarLoopResult]: At program point L356-2(lines 351 359) the Hoare annotation is: false [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L290-1(lines 290 298) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L290-2(lines 290 298) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L242 CegarLoopResult]: At program point L490(lines 441 491) the Hoare annotation is: false [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L260(lines 260 277) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L260-1(lines 260 277) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L260-2(lines 260 277) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L260-3(lines 260 277) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L128(lines 128 132) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L260-4(lines 260 277) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L260-5(lines 260 277) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-12-07 14:24:16,092 INFO L246 CegarLoopResult]: For program point L128-6(lines 128 132) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L242 CegarLoopResult]: At program point L228(lines 227 246) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse2))) [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point L228-1(lines 228 234) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L242 CegarLoopResult]: At program point L228-2(lines 227 246) the Hoare annotation is: false [2019-12-07 14:24:16,093 INFO L242 CegarLoopResult]: At program point L228-3(lines 227 246) the Hoare annotation is: false [2019-12-07 14:24:16,093 INFO L249 CegarLoopResult]: At program point L956(lines 937 959) the Hoare annotation is: true [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L242 CegarLoopResult]: At program point L924(lines 920 926) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L242 CegarLoopResult]: At program point L462-1(lines 462 468) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse2))) [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point L264(lines 264 272) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point L264-1(lines 264 272) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point L264-2(lines 264 272) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L242 CegarLoopResult]: At program point L165(lines 160 168) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2019-12-07 14:24:16,093 INFO L246 CegarLoopResult]: For program point L264-3(lines 264 272) no Hoare annotation was computed. [2019-12-07 14:24:16,093 INFO L242 CegarLoopResult]: At program point L165-1(lines 160 168) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:24:16,094 INFO L246 CegarLoopResult]: For program point L264-4(lines 264 272) no Hoare annotation was computed. [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-2(lines 160 168) 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 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2019-12-07 14:24:16,094 INFO L246 CegarLoopResult]: For program point L264-5(lines 264 272) no Hoare annotation was computed. [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-3(lines 160 168) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-4(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-5(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-6(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-7(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-8(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-9(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-10(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,094 INFO L242 CegarLoopResult]: At program point L165-11(lines 160 168) the Hoare annotation is: false [2019-12-07 14:24:16,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:24:16 BoogieIcfgContainer [2019-12-07 14:24:16,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:24:16,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:24:16,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:24:16,121 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:24:16,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:23:45" (3/4) ... [2019-12-07 14:24:16,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:24:16,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:24:16,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:24:16,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:24:16,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:24:16,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:24:16,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:24:16,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:24:16,170 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:24:16,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:24:16,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:24:16,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:24:16,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:24:16,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:24:16,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:24:16,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:24:16,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:24:16,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:24:16,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 14:24:16,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:24:16,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:24:16,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2a078ba3-e520-49d7-9160-d27ccccb94e1/bin/utaipan/witness.graphml [2019-12-07 14:24:16,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:24:16,217 INFO L168 Benchmark]: Toolchain (without parser) took 31352.58 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 582.5 MB). Free memory was 952.4 MB in the beginning and 1.5 GB in the end (delta: -538.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:16,217 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:24:16,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:16,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:16,218 INFO L168 Benchmark]: Boogie Preprocessor took 35.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:16,218 INFO L168 Benchmark]: RCFGBuilder took 639.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:16,218 INFO L168 Benchmark]: TraceAbstraction took 30143.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 433.6 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -476.4 MB). Peak memory consumption was 632.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:16,218 INFO L168 Benchmark]: Witness Printer took 95.53 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:16,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 639.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30143.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 433.6 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -476.4 MB). Peak memory consumption was 632.5 MB. Max. memory is 11.5 GB. * Witness Printer took 95.53 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: 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: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Result: SAFE, OverallTime: 5.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.0s, HoareTripleCheckerStatistics: 1387 SDtfs, 2122 SDslu, 3906 SDs, 0 SdLazy, 486 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=8, 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, 2305 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 487 NumberOfFragments, 765 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3488022 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 2197867 FormulaSimplificationTreeSizeReductionInter, 20.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 620 ConstructedInterpolants, 0 QuantifiedInterpolants, 36656 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2136 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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...